| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s |
| |
| ; This test hung in the BranchFolding pass during asm-goto bring up |
| |
| @e = dso_local global i32 0 |
| @j = dso_local global i32 0 |
| |
| define dso_local void @n(ptr %o, i32 %p, i32 %u) nounwind { |
| ; CHECK-LABEL: n: |
| ; 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 %edx, %ebp |
| ; CHECK-NEXT: movl %esi, %r12d |
| ; CHECK-NEXT: movq %rdi, %rbx |
| ; CHECK-NEXT: callq c |
| ; CHECK-NEXT: movl %eax, %r14d |
| ; CHECK-NEXT: movq %rbx, %rdi |
| ; CHECK-NEXT: callq l |
| ; CHECK-NEXT: testl %eax, %eax |
| ; CHECK-NEXT: jne .LBB0_9 |
| ; CHECK-NEXT: # %bb.1: # %if.end |
| ; CHECK-NEXT: cmpl $0, e(%rip) |
| ; CHECK-NEXT: # implicit-def: $r15d |
| ; CHECK-NEXT: # implicit-def: $r13d |
| ; CHECK-NEXT: je .LBB0_4 |
| ; CHECK-NEXT: # %bb.2: # %if.then4 |
| ; CHECK-NEXT: movslq %r12d, %rdi |
| ; CHECK-NEXT: callq m |
| ; CHECK-NEXT: # implicit-def: $r15d |
| ; CHECK-NEXT: # implicit-def: $r12d |
| ; CHECK-NEXT: .LBB0_3: # %r |
| ; CHECK-NEXT: callq c |
| ; CHECK-NEXT: movl %r12d, %r13d |
| ; CHECK-NEXT: .LBB0_4: # %if.end8 |
| ; CHECK-NEXT: movl %r15d, %edi |
| ; CHECK-NEXT: callq i |
| ; CHECK-NEXT: movl %eax, %r12d |
| ; CHECK-NEXT: orl %r13d, %r12d |
| ; CHECK-NEXT: andl $4, %r15d |
| ; CHECK-NEXT: testl %r14d, %r14d |
| ; CHECK-NEXT: jne .LBB0_3 |
| ; CHECK-NEXT: # %bb.5: # %if.end12 |
| ; CHECK-NEXT: testl %r12d, %r12d |
| ; CHECK-NEXT: je .LBB0_8 |
| ; CHECK-NEXT: # %bb.6: # %if.then14 |
| ; CHECK-NEXT: #APP |
| ; CHECK-NEXT: #NO_APP |
| ; CHECK-NEXT: jmp .LBB0_9 |
| ; CHECK-NEXT: .LBB0_7: # Block address taken |
| ; CHECK-NEXT: # %if.then20.critedge |
| ; CHECK-NEXT: # Label of block must be emitted |
| ; CHECK-NEXT: movl j(%rip), %edi |
| ; CHECK-NEXT: movslq %ebp, %rcx |
| ; CHECK-NEXT: movl $1, %esi |
| ; CHECK-NEXT: movq %rbx, %rdx |
| ; 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: jmp k # TAILCALL |
| ; CHECK-NEXT: .LBB0_8: # %if.else |
| ; CHECK-NEXT: incq 0 |
| ; CHECK-NEXT: .LBB0_9: # %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: |
| %call = tail call i32 @c() |
| %call1 = tail call i32 @l(ptr %o) |
| %tobool = icmp eq i32 %call1, 0 |
| br i1 %tobool, label %if.end, label %cleanup |
| |
| if.end: ; preds = %entry |
| %0 = load i32, ptr @e |
| %tobool3 = icmp eq i32 %0, 0 |
| br i1 %tobool3, label %if.end8, label %if.then4, !prof !0 |
| |
| if.then4: ; preds = %if.end |
| %conv5 = sext i32 %p to i64 |
| %call6 = tail call i32 @m(i64 %conv5) |
| br label %r |
| |
| r: ; preds = %if.end8, %if.then4 |
| %flags.0 = phi i32 [ undef, %if.then4 ], [ %and, %if.end8 ] |
| %major.0 = phi i32 [ undef, %if.then4 ], [ %or, %if.end8 ] |
| %call7 = tail call i32 @c() |
| br label %if.end8 |
| |
| if.end8: ; preds = %r, %if.end |
| %flags.1 = phi i32 [ %flags.0, %r ], [ undef, %if.end ] |
| %major.1 = phi i32 [ %major.0, %r ], [ undef, %if.end ] |
| %call9 = tail call i32 @i(i32 %flags.1) |
| %or = or i32 %call9, %major.1 |
| %and = and i32 %flags.1, 4 |
| %tobool10 = icmp eq i32 %call, 0 |
| br i1 %tobool10, label %if.end12, label %r |
| |
| if.end12: ; preds = %if.end8 |
| %tobool13 = icmp eq i32 %or, 0 |
| br i1 %tobool13, label %if.else, label %if.then14 |
| |
| if.then14: ; preds = %if.end12 |
| callbr void asm sideeffect "", "!i,~{dirflag},~{fpsr},~{flags}"() |
| to label %cleanup [label %if.then20.critedge] |
| |
| if.then20.critedge: ; preds = %if.then14 |
| %1 = load i32, ptr @j |
| %conv21 = sext i32 %u to i64 |
| %call22 = tail call i32 @k(i32 %1, i64 1, ptr %o, i64 %conv21) |
| br label %cleanup |
| |
| if.else: ; preds = %if.end12 |
| %2 = load i64, ptr null |
| %inc = add i64 %2, 1 |
| store i64 %inc, ptr null |
| br label %cleanup |
| |
| cleanup: ; preds = %if.else, %if.then20.critedge, %if.then14, %entry |
| ret void |
| } |
| |
| declare dso_local i32 @c() |
| |
| declare dso_local i32 @l(ptr) |
| |
| declare dso_local i32 @m(i64) |
| |
| declare dso_local i32 @i(i32) |
| |
| declare dso_local i32 @k(i32, i64, ptr, i64) |
| |
| !0 = !{!"branch_weights", i32 2000, i32 1} |