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llvm / llvm-project / f02c93d707c0f36a696a5ec71131cba95a30c045 / . / llvm / test / CodeGen / X86 / fold-loop-of-urem.ll
blob: c1beb7c803b2b3ed0d521e019794699ea26a0a61 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
declare void @use.i32(i32)
declare void @use.2xi64(<2 x i64>)
declare void @do_stuff0()
declare void @do_stuff1()
declare i1 @get.i1()
declare i32 @get.i32()
define void @simple_urem_to_sel(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_to_sel:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB0_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %r12
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: xorl %r15d, %r15d
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: xorl %r12d, %r12d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB0_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r14d, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %ebx, %r14d
; CHECK-NEXT: cmovel %r15d, %r14d
; CHECK-NEXT: incl %r12d
; CHECK-NEXT: cmpl %r12d, %ebp
; CHECK-NEXT: jne .LBB0_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r12
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB0_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_fail_not_in_loop(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_to_sel_fail_not_in_loop:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB1_1
; CHECK-NEXT: # %bb.3: # %for.body.preheader
; CHECK-NEXT: movl %edi, %r14d
; CHECK-NEXT: xorl %ebp, %ebp
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB1_4: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %ebp, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %ebp
; CHECK-NEXT: cmpl %ebp, %r14d
; CHECK-NEXT: jne .LBB1_4
; CHECK-NEXT: jmp .LBB1_2
; CHECK-NEXT: .LBB1_1:
; CHECK-NEXT: xorl %ebp, %ebp
; CHECK-NEXT: .LBB1_2: # %for.cond.cleanup
; CHECK-NEXT: movl %ebp, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: jmp use.i32@PLT # TAILCALL
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
%i.05 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%rem = urem i32 %i.05, %rem_amt
tail call void @use.i32(i32 %rem)
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
tail call void @use.i32(i32 %i.04)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_inner_loop(i32 %N, i32 %M) nounwind {
; CHECK-LABEL: simple_urem_to_sel_inner_loop:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %r13
; CHECK-NEXT: pushq %r12
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: movl %esi, %r12d
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: callq get.i32@PLT
; CHECK-NEXT: testl %ebp, %ebp
; CHECK-NEXT: je .LBB2_6
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: movl %eax, %r14d
; CHECK-NEXT: xorl %r15d, %r15d
; CHECK-NEXT: xorl %r13d, %r13d
; CHECK-NEXT: jmp .LBB2_2
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB2_5: # %for.inner.cond.cleanup
; CHECK-NEXT: # in Loop: Header=BB2_2 Depth=1
; CHECK-NEXT: incl %r15d
; CHECK-NEXT: cmpl %r14d, %r15d
; CHECK-NEXT: movl $0, %eax
; CHECK-NEXT: cmovel %eax, %r15d
; CHECK-NEXT: incl %r13d
; CHECK-NEXT: cmpl %ebp, %r13d
; CHECK-NEXT: je .LBB2_6
; CHECK-NEXT: .LBB2_2: # %for.body
; CHECK-NEXT: # =>This Loop Header: Depth=1
; CHECK-NEXT: # Child Loop BB2_4 Depth 2
; CHECK-NEXT: testl %r12d, %r12d
; CHECK-NEXT: je .LBB2_5
; CHECK-NEXT: # %bb.3: # %for.inner.body.preheader
; CHECK-NEXT: # in Loop: Header=BB2_2 Depth=1
; CHECK-NEXT: movl %r12d, %ebx
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB2_4: # %for.inner.body
; CHECK-NEXT: # Parent Loop BB2_2 Depth=1
; CHECK-NEXT: # => This Inner Loop Header: Depth=2
; CHECK-NEXT: movl %r15d, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: decl %ebx
; CHECK-NEXT: jne .LBB2_4
; CHECK-NEXT: jmp .LBB2_5
; CHECK-NEXT: .LBB2_6: # %for.cond.cleanup
; CHECK-NEXT: addq $8, %rsp
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r12
; CHECK-NEXT: popq %r13
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: retq
entry:
%rem_amt = call i32 @get.i32()
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.inner.cond.cleanup ], [ 0, %entry ]
%cmp_inner = icmp eq i32 %M, 0
br i1 %cmp_inner, label %for.inner.cond.cleanup, label %for.inner.body
for.inner.body:
%j = phi i32 [ %inc_inner, %for.inner.body ], [ 0, %for.body ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc_inner = add nuw i32 %j, 1
%exitcond_inner = icmp eq i32 %inc_inner, %M
br i1 %exitcond_inner, label %for.inner.cond.cleanup, label %for.inner.body
for.inner.cond.cleanup:
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_inner_loop_fail_not_invariant(i32 %N, i32 %M) nounwind {
; CHECK-LABEL: simple_urem_to_sel_inner_loop_fail_not_invariant:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB3_7
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %r12
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: jmp .LBB3_2
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB3_5: # %for.inner.cond.cleanup
; CHECK-NEXT: # in Loop: Header=BB3_2 Depth=1
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %ebp, %r14d
; CHECK-NEXT: je .LBB3_6
; CHECK-NEXT: .LBB3_2: # %for.body
; CHECK-NEXT: # =>This Loop Header: Depth=1
; CHECK-NEXT: # Child Loop BB3_4 Depth 2
; CHECK-NEXT: callq get.i32@PLT
; CHECK-NEXT: testl %ebx, %ebx
; CHECK-NEXT: je .LBB3_5
; CHECK-NEXT: # %bb.3: # %for.inner.body.preheader
; CHECK-NEXT: # in Loop: Header=BB3_2 Depth=1
; CHECK-NEXT: movl %eax, %r15d
; CHECK-NEXT: movl %ebx, %r12d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB3_4: # %for.inner.body
; CHECK-NEXT: # Parent Loop BB3_2 Depth=1
; CHECK-NEXT: # => This Inner Loop Header: Depth=2
; CHECK-NEXT: movl %r14d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %r15d
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: decl %r12d
; CHECK-NEXT: jne .LBB3_4
; CHECK-NEXT: jmp .LBB3_5
; CHECK-NEXT: .LBB3_6:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r12
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB3_7: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.inner.cond.cleanup ], [ 0, %entry ]
%rem_amt = call i32 @get.i32()
%cmp_inner = icmp eq i32 %M, 0
br i1 %cmp_inner, label %for.inner.cond.cleanup, label %for.inner.body
for.inner.body:
%j = phi i32 [ %inc_inner, %for.inner.body ], [ 0, %for.body ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc_inner = add nuw i32 %j, 1
%exitcond_inner = icmp eq i32 %inc_inner, %M
br i1 %exitcond_inner, label %for.inner.cond.cleanup, label %for.inner.body
for.inner.cond.cleanup:
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_nested2(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_to_sel_nested2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB4_8
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %r12
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: xorl %r15d, %r15d
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: xorl %r12d, %r12d
; CHECK-NEXT: jmp .LBB4_2
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB4_5: # %for.body1
; CHECK-NEXT: # in Loop: Header=BB4_2 Depth=1
; CHECK-NEXT: movl %r14d, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: .LBB4_6: # %for.body.tail
; CHECK-NEXT: # in Loop: Header=BB4_2 Depth=1
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %ebx, %r14d
; CHECK-NEXT: cmovel %r15d, %r14d
; CHECK-NEXT: incl %r12d
; CHECK-NEXT: cmpl %r12d, %ebp
; CHECK-NEXT: je .LBB4_7
; CHECK-NEXT: .LBB4_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: callq get.i1@PLT
; CHECK-NEXT: testb $1, %al
; CHECK-NEXT: je .LBB4_6
; CHECK-NEXT: # %bb.3: # %for.body0
; CHECK-NEXT: # in Loop: Header=BB4_2 Depth=1
; CHECK-NEXT: callq get.i1@PLT
; CHECK-NEXT: testb $1, %al
; CHECK-NEXT: jne .LBB4_5
; CHECK-NEXT: # %bb.4: # %for.body2
; CHECK-NEXT: # in Loop: Header=BB4_2 Depth=1
; CHECK-NEXT: callq get.i1@PLT
; CHECK-NEXT: testb $1, %al
; CHECK-NEXT: jne .LBB4_5
; CHECK-NEXT: jmp .LBB4_6
; CHECK-NEXT: .LBB4_7:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r12
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB4_8: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body.tail ], [ 0, %entry ]
%cond0 = call i1 @get.i1()
br i1 %cond0, label %for.body0, label %for.body.tail
for.body0:
%cond1 = call i1 @get.i1()
br i1 %cond1, label %for.body1, label %for.body2
for.body2:
%cond2 = call i1 @get.i1()
br i1 %cond2, label %for.body1, label %for.body.tail
for.body1:
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
br label %for.body.tail
for.body.tail:
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_fail_bad_incr3(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_fail_bad_incr3:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB5_9
; CHECK-NEXT: # %bb.1:
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: jmp .LBB5_2
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB5_6: # %for.body1
; CHECK-NEXT: # in Loop: Header=BB5_2 Depth=1
; CHECK-NEXT: movl %ebp, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: .LBB5_7: # %for.body.tail
; CHECK-NEXT: # in Loop: Header=BB5_2 Depth=1
; CHECK-NEXT: callq get.i1@PLT
; CHECK-NEXT: testb $1, %al
; CHECK-NEXT: jne .LBB5_8
; CHECK-NEXT: .LBB5_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: callq get.i1@PLT
; CHECK-NEXT: testb $1, %al
; CHECK-NEXT: je .LBB5_5
; CHECK-NEXT: # %bb.3: # %for.body0
; CHECK-NEXT: # in Loop: Header=BB5_2 Depth=1
; CHECK-NEXT: callq get.i1@PLT
; CHECK-NEXT: movl %eax, %r14d
; CHECK-NEXT: callq get.i32@PLT
; CHECK-NEXT: testb $1, %r14b
; CHECK-NEXT: je .LBB5_7
; CHECK-NEXT: # %bb.4: # in Loop: Header=BB5_2 Depth=1
; CHECK-NEXT: movl %eax, %ebp
; CHECK-NEXT: incl %ebp
; CHECK-NEXT: jmp .LBB5_6
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB5_5: # %for.body2
; CHECK-NEXT: # in Loop: Header=BB5_2 Depth=1
; CHECK-NEXT: xorl %ebp, %ebp
; CHECK-NEXT: callq get.i1@PLT
; CHECK-NEXT: testb $1, %al
; CHECK-NEXT: jne .LBB5_6
; CHECK-NEXT: jmp .LBB5_7
; CHECK-NEXT: .LBB5_8:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB5_9: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%cond0 = call i1 @get.i1()
br i1 %cond0, label %for.body0, label %for.body2
for.body0:
%cond1 = call i1 @get.i1()
%val = call i32 @get.i32()
%inc = add nuw i32 %val, 1
br i1 %cond1, label %for.body1, label %for.body.tail
for.body2:
%cond2 = call i1 @get.i1()
br i1 %cond2, label %for.body1, label %for.body.tail
for.body1:
%i.04 = phi i32 [ %inc, %for.body0], [ 0, %for.body2 ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
br label %for.body.tail
for.body.tail:
%exitcond.not = call i1 @get.i1()
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_vec(<2 x i64> %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_to_sel_vec:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: subq $56, %rsp
; CHECK-NEXT: movdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
; CHECK-NEXT: pxor %xmm1, %xmm1
; CHECK-NEXT: pxor %xmm0, %xmm0
; CHECK-NEXT: movdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB6_1: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movdqa %xmm1, (%rsp) # 16-byte Spill
; CHECK-NEXT: movdqa %xmm1, %xmm0
; CHECK-NEXT: callq use.2xi64@PLT
; CHECK-NEXT: pcmpeqd %xmm1, %xmm1
; CHECK-NEXT: movdqa (%rsp), %xmm2 # 16-byte Reload
; CHECK-NEXT: psubq %xmm1, %xmm2
; CHECK-NEXT: movdqa %xmm2, %xmm0
; CHECK-NEXT: movdqa %xmm2, %xmm3
; CHECK-NEXT: pcmpeqd {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Folded Reload
; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,0,3,2]
; CHECK-NEXT: pand %xmm0, %xmm2
; CHECK-NEXT: pandn %xmm3, %xmm2
; CHECK-NEXT: movdqa %xmm2, (%rsp) # 16-byte Spill
; CHECK-NEXT: movdqa {{[-0-9]+}}(%r{{[sb]}}p), %xmm0 # 16-byte Reload
; CHECK-NEXT: psubq %xmm1, %xmm0
; CHECK-NEXT: movdqa %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 16-byte Spill
; CHECK-NEXT: callq get.i1@PLT
; CHECK-NEXT: testb $1, %al
; CHECK-NEXT: movdqa (%rsp), %xmm1 # 16-byte Reload
; CHECK-NEXT: je .LBB6_1
; CHECK-NEXT: # %bb.2: # %for.cond.cleanup
; CHECK-NEXT: addq $56, %rsp
; CHECK-NEXT: retq
entry:
br label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi <2 x i64> [ %inc, %for.body ], [ zeroinitializer, %entry ]
%rem = urem <2 x i64> %i.04, %rem_amt
tail call void @use.2xi64(<2 x i64> %rem)
%inc = add nuw <2 x i64> %i.04, <i64 1, i64 1>
%exitcond.not = call i1 @get.i1()
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_fail_bad_incr(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_fail_bad_incr:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB7_6
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: jmp .LBB7_2
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB7_4: # %for.body.tail
; CHECK-NEXT: # in Loop: Header=BB7_2 Depth=1
; CHECK-NEXT: movl %r14d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %ebp, %r14d
; CHECK-NEXT: je .LBB7_5
; CHECK-NEXT: .LBB7_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: callq get.i1@PLT
; CHECK-NEXT: testb $1, %al
; CHECK-NEXT: je .LBB7_4
; CHECK-NEXT: # %bb.3: # %for.body0
; CHECK-NEXT: # in Loop: Header=BB7_2 Depth=1
; CHECK-NEXT: callq get.i32@PLT
; CHECK-NEXT: movl %eax, %r14d
; CHECK-NEXT: jmp .LBB7_4
; CHECK-NEXT: .LBB7_5:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB7_6: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.03 = phi i32 [ %inc, %for.body.tail ], [ 0, %entry ]
%cond0 = call i1 @get.i1()
br i1 %cond0, label %for.body0, label %for.body.tail
for.body0:
%some_val = call i32 @get.i32()
br label %for.body.tail
for.body.tail:
%i.04 = phi i32 [ %i.03, %for.body ], [ %some_val, %for.body0 ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_second_acc(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_to_sel_second_acc:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpl $2, %edi
; CHECK-NEXT: jb .LBB8_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %r13
; CHECK-NEXT: pushq %r12
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: movl $1, %r15d
; CHECK-NEXT: xorl %r12d, %r12d
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: xorl %r13d, %r13d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB8_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r14d, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %ebx, %r14d
; CHECK-NEXT: cmovel %r12d, %r14d
; CHECK-NEXT: incl %r13d
; CHECK-NEXT: addl $2, %r15d
; CHECK-NEXT: cmpl %ebp, %r15d
; CHECK-NEXT: jbe .LBB8_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: addq $8, %rsp
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r12
; CHECK-NEXT: popq %r13
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB8_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp ult i32 %N, 2
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%i.05 = phi i32 [ %inc2, %for.body ], [ 1, %entry ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%inc2 = add nuw i32 %i.05, 2
%exitcond.not = icmp ugt i32 %inc2, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_fail_srem(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_fail_srem:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB9_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB9_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r14d, %eax
; CHECK-NEXT: cltd
; CHECK-NEXT: idivl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %r14d, %ebp
; CHECK-NEXT: jne .LBB9_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB9_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%rem = srem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_fail_missing_nuw(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_fail_missing_nuw:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB10_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB10_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r14d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %r14d, %ebp
; CHECK-NEXT: jne .LBB10_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB10_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nsw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_fail_bad_incr2(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_fail_bad_incr2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB11_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB11_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r14d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: addl $2, %r14d
; CHECK-NEXT: cmpl %r14d, %ebp
; CHECK-NEXT: jne .LBB11_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB11_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 2
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_non_zero_entry4(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_non_zero_entry4:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB12_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: movl $4, %r14d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB12_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r14d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %r14d, %ebp
; CHECK-NEXT: jne .LBB12_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB12_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 4, %entry ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_skip_const_rem_amt(i32 %N) nounwind {
; CHECK-LABEL: simple_urem_skip_const_rem_amt:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB13_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %edi, %ebx
; CHECK-NEXT: addl $-4, %ebx
; CHECK-NEXT: movl $4, %ebp
; CHECK-NEXT: movl $2938661835, %r14d # imm = 0xAF286BCB
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB13_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %ebp, %eax
; CHECK-NEXT: imulq %r14, %rax
; CHECK-NEXT: shrq $32, %rax
; CHECK-NEXT: movl %ebp, %ecx
; CHECK-NEXT: subl %eax, %ecx
; CHECK-NEXT: shrl %ecx
; CHECK-NEXT: addl %eax, %ecx
; CHECK-NEXT: shrl $4, %ecx
; CHECK-NEXT: leal (%rcx,%rcx,8), %eax
; CHECK-NEXT: leal (%rcx,%rax,2), %eax
; CHECK-NEXT: movl %ebp, %edi
; CHECK-NEXT: subl %eax, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %ebp
; CHECK-NEXT: decl %ebx
; CHECK-NEXT: jne .LBB13_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB13_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 4, %entry ]
%rem = urem i32 %i.04, 19
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_fail_no_preheader_non_canonical(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_fail_no_preheader_non_canonical:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB14_1
; CHECK-NEXT: # %bb.2: # %for.body1
; CHECK-NEXT: movl $1, %r14d
; CHECK-NEXT: jmp .LBB14_3
; CHECK-NEXT: .LBB14_1:
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB14_3: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r14d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %r14d, %ebp
; CHECK-NEXT: jne .LBB14_3
; CHECK-NEXT: # %bb.4: # %for.cond.cleanup
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.body0, label %for.body1
for.cond.cleanup:
ret void
for.body0:
br label %for.body
for.body1:
br label %for.body
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 0, %for.body0 ], [ 1, %for.body1 ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_multi_latch_non_canonical(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_multi_latch_non_canonical:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB15_6
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %r13
; CHECK-NEXT: pushq %r12
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: pushq %rax
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: decl %ebp
; CHECK-NEXT: xorl %r12d, %r12d
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: xorl %r13d, %r13d
; CHECK-NEXT: jmp .LBB15_2
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB15_3: # %for.body.backedge
; CHECK-NEXT: # in Loop: Header=BB15_2 Depth=1
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %ebx, %r14d
; CHECK-NEXT: cmovel %r12d, %r14d
; CHECK-NEXT: incl %r13d
; CHECK-NEXT: .LBB15_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r14d, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: callq get.i1@PLT
; CHECK-NEXT: movl %eax, %r15d
; CHECK-NEXT: callq do_stuff0@PLT
; CHECK-NEXT: testb $1, %r15b
; CHECK-NEXT: je .LBB15_3
; CHECK-NEXT: # %bb.4: # %for.body0
; CHECK-NEXT: # in Loop: Header=BB15_2 Depth=1
; CHECK-NEXT: callq do_stuff1@PLT
; CHECK-NEXT: cmpl %r13d, %ebp
; CHECK-NEXT: jne .LBB15_3
; CHECK-NEXT: # %bb.5:
; CHECK-NEXT: addq $8, %rsp
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r12
; CHECK-NEXT: popq %r13
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB15_6: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ %inc, %for.body0 ], [ 0, %entry ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%cond = call i1 @get.i1()
call void @do_stuff0()
br i1 %cond, label %for.body0, label %for.body
for.body0:
call void @do_stuff1()
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_fail_bad_loop(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_fail_bad_loop:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: callq get.i32@PLT
; CHECK-NEXT: testl %eax, %eax
; CHECK-NEXT: # implicit-def: $r14d
; CHECK-NEXT: jne .LBB16_4
; CHECK-NEXT: # %bb.1:
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: .LBB16_2: # %for.cond
; CHECK-NEXT: cmpl %ebp, %r14d
; CHECK-NEXT: jae .LBB16_5
; CHECK-NEXT: # %bb.3: # %for.body
; CHECK-NEXT: movl %r14d, %edi
; CHECK-NEXT: xorl $1, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: .LBB16_4: # %halfway
; CHECK-NEXT: movl %r14d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: jmp .LBB16_2
; CHECK-NEXT: .LBB16_5: # %for.end
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: retq
entry:
%call = call i32 @get.i32()
%tobool.not = icmp eq i32 %call, 0
br i1 %tobool.not, label %for.cond, label %halfway
for.cond:
%i.0 = phi i32 [ %inc, %halfway ], [ 0, %entry ]
%cmp = icmp ult i32 %i.0, %N
br i1 %cmp, label %for.body, label %for.end
for.body:
%xor = xor i32 %i.0, 1
call void @use.i32(i32 %xor)
br label %halfway
halfway:
%i.1 = phi i32 [ poison, %entry ], [ %i.0, %for.body ]
%rem = urem i32 %i.1, %rem_amt
call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.1, 1
br label %for.cond
for.end:
ret void
}
define void @simple_urem_fail_intermediate_inc(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_fail_intermediate_inc:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: je .LBB17_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %r14d
; CHECK-NEXT: negl %r14d
; CHECK-NEXT: movl $1, %r15d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB17_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r15d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: leal 1(%r14,%r15), %eax
; CHECK-NEXT: movl %r15d, %ecx
; CHECK-NEXT: incl %ecx
; CHECK-NEXT: cmpl $1, %eax
; CHECK-NEXT: movl %ecx, %r15d
; CHECK-NEXT: jne .LBB17_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: .LBB17_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp eq i32 %N, 0
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
%inc2 = add nuw i32 %i.04, 1
%rem = urem i32 %inc2, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @weird_loop(i64 %sub.ptr.div.i56) personality ptr null {
; CHECK-LABEL: weird_loop:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB18_1: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: jmp .LBB18_1
entry:
br label %for.preheader
for.preheader:
%i57.0540.us = phi i64 [ 0, %entry ], [ %add74.us, %for.body ]
%add74.us = add nuw i64 %i57.0540.us, 1
br label %for.body
for.body:
%rem.us = urem i64 %i57.0540.us, %sub.ptr.div.i56
br i1 false, label %for.preheader, label %for.body
}
define void @simple_urem_to_sel_non_zero_start_fail(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_to_sel_non_zero_start_fail:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpl $3, %edi
; CHECK-NEXT: jb .LBB19_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: movl $2, %r14d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB19_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r14d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %r14d, %ebp
; CHECK-NEXT: jne .LBB19_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB19_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp ult i32 %N, 3
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 2, %entry ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_non_zero_start_okay(i32 %N, i32 %rem_amt_in) nounwind {
; CHECK-LABEL: simple_urem_to_sel_non_zero_start_okay:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpl $3, %edi
; CHECK-NEXT: jb .LBB20_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %r12
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: orl $16, %ebx
; CHECK-NEXT: movl $2, %r14d
; CHECK-NEXT: xorl %r15d, %r15d
; CHECK-NEXT: movl $2, %r12d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB20_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r14d, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %ebx, %r14d
; CHECK-NEXT: cmovel %r15d, %r14d
; CHECK-NEXT: incl %r12d
; CHECK-NEXT: cmpl %r12d, %ebp
; CHECK-NEXT: jne .LBB20_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r12
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: .LBB20_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%rem_amt = or i32 %rem_amt_in, 16
%cmp3.not = icmp ult i32 %N, 3
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 2, %entry ]
%rem = urem i32 %i.04, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_non_zero_start_through_add(i32 %N, i32 %rem_amt_in) nounwind {
; CHECK-LABEL: simple_urem_to_sel_non_zero_start_through_add:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpl $3, %edi
; CHECK-NEXT: jb .LBB21_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %r14d
; CHECK-NEXT: orl $16, %ebx
; CHECK-NEXT: negl %r14d
; CHECK-NEXT: movl $7, %r15d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB21_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r15d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: leal 1(%r14,%r15), %eax
; CHECK-NEXT: movl %r15d, %ecx
; CHECK-NEXT: incl %ecx
; CHECK-NEXT: cmpl $5, %eax
; CHECK-NEXT: movl %ecx, %r15d
; CHECK-NEXT: jne .LBB21_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: .LBB21_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%rem_amt = or i32 %rem_amt_in, 16
%cmp3.not = icmp ult i32 %N, 3
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 2, %entry ]
%i_with_off = add nuw i32 %i.04, 5
%rem = urem i32 %i_with_off, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_non_zero_start_through_add_fail_missing_nuw(i32 %N, i32 %rem_amt_in) nounwind {
; CHECK-LABEL: simple_urem_to_sel_non_zero_start_through_add_fail_missing_nuw:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpl $3, %edi
; CHECK-NEXT: jb .LBB22_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %r14d
; CHECK-NEXT: orl $16, %ebx
; CHECK-NEXT: negl %r14d
; CHECK-NEXT: movl $7, %r15d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB22_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r15d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: leal 1(%r14,%r15), %eax
; CHECK-NEXT: movl %r15d, %ecx
; CHECK-NEXT: incl %ecx
; CHECK-NEXT: cmpl $5, %eax
; CHECK-NEXT: movl %ecx, %r15d
; CHECK-NEXT: jne .LBB22_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: .LBB22_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%rem_amt = or i32 %rem_amt_in, 16
%cmp3.not = icmp ult i32 %N, 3
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 2, %entry ]
%i_with_off = add i32 %i.04, 5
%rem = urem i32 %i_with_off, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_non_zero_start_through_add_fail_no_simplify_rem(i32 %N, i32 %rem_amt) nounwind {
; CHECK-LABEL: simple_urem_to_sel_non_zero_start_through_add_fail_no_simplify_rem:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpl $3, %edi
; CHECK-NEXT: jb .LBB23_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %r14d
; CHECK-NEXT: negl %r14d
; CHECK-NEXT: movl $7, %r15d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB23_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r15d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: leal 1(%r14,%r15), %eax
; CHECK-NEXT: movl %r15d, %ecx
; CHECK-NEXT: incl %ecx
; CHECK-NEXT: cmpl $5, %eax
; CHECK-NEXT: movl %ecx, %r15d
; CHECK-NEXT: jne .LBB23_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: .LBB23_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp ult i32 %N, 3
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ 2, %entry ]
%i_with_off = add nuw i32 %i.04, 5
%rem = urem i32 %i_with_off, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_non_zero_start_through_sub(i32 %N, i32 %rem_amt, i32 %start) nounwind {
; CHECK-LABEL: simple_urem_to_sel_non_zero_start_through_sub:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushq %rbp
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %r12
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %edi, %ebp
; CHECK-NEXT: subl %edx, %ebp
; CHECK-NEXT: jbe .LBB24_3
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: xorl %r15d, %r15d
; CHECK-NEXT: xorl %r14d, %r14d
; CHECK-NEXT: xorl %r12d, %r12d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB24_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r14d, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: incl %r14d
; CHECK-NEXT: cmpl %ebx, %r14d
; CHECK-NEXT: cmovel %r15d, %r14d
; CHECK-NEXT: incl %r12d
; CHECK-NEXT: cmpl %r12d, %ebp
; CHECK-NEXT: jne .LBB24_2
; CHECK-NEXT: .LBB24_3: # %for.cond.cleanup
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r12
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: popq %rbp
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp ule i32 %N, %start
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ %start, %entry ]
%i_with_off = sub nuw i32 %i.04, %start
%rem = urem i32 %i_with_off, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}
define void @simple_urem_to_sel_non_zero_start_through_sub_no_simplfy(i32 %N, i32 %rem_amt, i32 %start) nounwind {
; CHECK-LABEL: simple_urem_to_sel_non_zero_start_through_sub_no_simplfy:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: cmpl %edx, %edi
; CHECK-NEXT: jbe .LBB25_4
; CHECK-NEXT: # %bb.1: # %for.body.preheader
; CHECK-NEXT: pushq %r15
; CHECK-NEXT: pushq %r14
; CHECK-NEXT: pushq %rbx
; CHECK-NEXT: movl %edx, %r15d
; CHECK-NEXT: movl %esi, %ebx
; CHECK-NEXT: movl %edi, %r14d
; CHECK-NEXT: negl %r14d
; CHECK-NEXT: addl $-2, %r15d
; CHECK-NEXT: .p2align 4
; CHECK-NEXT: .LBB25_2: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: movl %r15d, %eax
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: divl %ebx
; CHECK-NEXT: movl %edx, %edi
; CHECK-NEXT: callq use.i32@PLT
; CHECK-NEXT: leal 1(%r14,%r15), %eax
; CHECK-NEXT: movl %r15d, %ecx
; CHECK-NEXT: incl %ecx
; CHECK-NEXT: cmpl $-2, %eax
; CHECK-NEXT: movl %ecx, %r15d
; CHECK-NEXT: jne .LBB25_2
; CHECK-NEXT: # %bb.3:
; CHECK-NEXT: popq %rbx
; CHECK-NEXT: popq %r14
; CHECK-NEXT: popq %r15
; CHECK-NEXT: .LBB25_4: # %for.cond.cleanup
; CHECK-NEXT: retq
entry:
%cmp3.not = icmp ule i32 %N, %start
br i1 %cmp3.not, label %for.cond.cleanup, label %for.body
for.cond.cleanup:
ret void
for.body:
%i.04 = phi i32 [ %inc, %for.body ], [ %start, %entry ]
%i_with_off = sub nuw i32 %i.04, 2
%rem = urem i32 %i_with_off, %rem_amt
tail call void @use.i32(i32 %rem)
%inc = add nuw i32 %i.04, 1
%exitcond.not = icmp eq i32 %inc, %N
br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
}