test/CodeGen/X86/hoist-invariant-load.ll - llvm-project/llvm - Git at Google

 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py

 ; Verify the call site info. If the call site info is not
 ; in the valid state, an assert should be triggered.
 ; RUN: llc < %s -debug-entry-values -stop-after=machineverifier

 ; REQUIRES: asserts
 ; RUN: llc -mcpu=haswell < %s -O2 2>&1 | FileCheck %s
 ; For test:
 ; 2 invariant loads, 1 for OBJC_SELECTOR_REFERENCES_
 ; and 1 for objc_msgSend from the GOT
 ; For test_multi_def:
 ; 2 invariant load (full multiply, both loads should be hoisted.)
 ; For test_div_def:
 ; 2 invariant load (full divide, both loads should be hoisted.) 1 additional instruction for a zeroing edx that gets hoisted and then rematerialized.

 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
 target triple = "x86_64-apple-macosx10.7.2"

 @"\01L_OBJC_METH_VAR_NAME_" = internal global [4 x i8] c"foo\00", section "__TEXT,__objc_methname,cstring_literals", align 1
 @"\01L_OBJC_SELECTOR_REFERENCES_" = internal global ptr @"\01L_OBJC_METH_VAR_NAME_", section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
 @"\01L_OBJC_IMAGE_INFO" = internal constant [2 x i32] [i32 0, i32 16], section "__DATA, __objc_imageinfo, regular, no_dead_strip"
 @llvm.used = appending global [3 x ptr] [ptr @"\01L_OBJC_METH_VAR_NAME_", ptr @"\01L_OBJC_SELECTOR_REFERENCES_", ptr @"\01L_OBJC_IMAGE_INFO"], section "llvm.metadata"

 define void @test(ptr %x) uwtable ssp {
 ; CHECK-LABEL: test:
 ; CHECK:       ## %bb.0: ## %entry
 ; CHECK-NEXT:    pushq %rbp
 ; CHECK-NEXT:    .cfi_def_cfa_offset 16
 ; CHECK-NEXT:    pushq %r15
 ; CHECK-NEXT:    .cfi_def_cfa_offset 24
 ; CHECK-NEXT:    pushq %r14
 ; CHECK-NEXT:    .cfi_def_cfa_offset 32
 ; CHECK-NEXT:    pushq %rbx
 ; CHECK-NEXT:    .cfi_def_cfa_offset 40
 ; CHECK-NEXT:    pushq %rax
 ; CHECK-NEXT:    .cfi_def_cfa_offset 48
 ; CHECK-NEXT:    .cfi_offset %rbx, -40
 ; CHECK-NEXT:    .cfi_offset %r14, -32
 ; CHECK-NEXT:    .cfi_offset %r15, -24
 ; CHECK-NEXT:    .cfi_offset %rbp, -16
 ; CHECK-NEXT:    movq %rdi, %rbx
 ; CHECK-NEXT:    movl $10000, %ebp ## imm = 0x2710
 ; CHECK-NEXT:    movq L_OBJC_SELECTOR_REFERENCES_(%rip), %r14
 ; CHECK-NEXT:    movq _objc_msgSend@GOTPCREL(%rip), %r15
 ; CHECK-NEXT:    .p2align 4, 0x90
 ; CHECK-NEXT:  LBB0_1: ## %for.body
 ; CHECK-NEXT:    ## =>This Inner Loop Header: Depth=1
 ; CHECK-NEXT:    movq %rbx, %rdi
 ; CHECK-NEXT:    movq %r14, %rsi
 ; CHECK-NEXT:    callq *%r15
 ; CHECK-NEXT:    decl %ebp
 ; CHECK-NEXT:    jne LBB0_1
 ; CHECK-NEXT:  ## %bb.2: ## %for.end
 ; CHECK-NEXT:    addq $8, %rsp
 ; CHECK-NEXT:    popq %rbx
 ; CHECK-NEXT:    popq %r14
 ; CHECK-NEXT:    popq %r15
 ; CHECK-NEXT:    popq %rbp
 ; CHECK-NEXT:    retq
 entry:
   br label %for.body

 for.body:                                         ; preds = %for.body, %entry
   %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
   %0 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_", align 8, !invariant.load !0
   %call = tail call ptr @objc_msgSend(ptr %x, ptr %0)
   %inc = add i32 %i.01, 1
   %exitcond = icmp eq i32 %inc, 10000
   br i1 %exitcond, label %for.end, label %for.body

 for.end:                                          ; preds = %for.body
   ret void
 }

 define void @test_unordered(ptr %x) uwtable ssp {
 ; CHECK-LABEL: test_unordered:
 ; CHECK:       ## %bb.0: ## %entry
 ; CHECK-NEXT:    pushq %rbp
 ; CHECK-NEXT:    .cfi_def_cfa_offset 16
 ; CHECK-NEXT:    pushq %r15
 ; CHECK-NEXT:    .cfi_def_cfa_offset 24
 ; CHECK-NEXT:    pushq %r14
 ; CHECK-NEXT:    .cfi_def_cfa_offset 32
 ; CHECK-NEXT:    pushq %rbx
 ; CHECK-NEXT:    .cfi_def_cfa_offset 40
 ; CHECK-NEXT:    pushq %rax
 ; CHECK-NEXT:    .cfi_def_cfa_offset 48
 ; CHECK-NEXT:    .cfi_offset %rbx, -40
 ; CHECK-NEXT:    .cfi_offset %r14, -32
 ; CHECK-NEXT:    .cfi_offset %r15, -24
 ; CHECK-NEXT:    .cfi_offset %rbp, -16
 ; CHECK-NEXT:    movq %rdi, %rbx
 ; CHECK-NEXT:    movl $10000, %ebp ## imm = 0x2710
 ; CHECK-NEXT:    movq L_OBJC_SELECTOR_REFERENCES_(%rip), %r14
 ; CHECK-NEXT:    movq _objc_msgSend@GOTPCREL(%rip), %r15
 ; CHECK-NEXT:    .p2align 4, 0x90
 ; CHECK-NEXT:  LBB1_1: ## %for.body
 ; CHECK-NEXT:    ## =>This Inner Loop Header: Depth=1
 ; CHECK-NEXT:    movq %rbx, %rdi
 ; CHECK-NEXT:    movq %r14, %rsi
 ; CHECK-NEXT:    callq *%r15
 ; CHECK-NEXT:    decl %ebp
 ; CHECK-NEXT:    jne LBB1_1
 ; CHECK-NEXT:  ## %bb.2: ## %for.end
 ; CHECK-NEXT:    addq $8, %rsp
 ; CHECK-NEXT:    popq %rbx
 ; CHECK-NEXT:    popq %r14
 ; CHECK-NEXT:    popq %r15
 ; CHECK-NEXT:    popq %rbp
 ; CHECK-NEXT:    retq
 entry:
   br label %for.body

 for.body:                                         ; preds = %for.body, %entry
   %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
   %0 = load atomic ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_" unordered, align 8, !invariant.load !0
   %call = tail call ptr @objc_msgSend(ptr %x, ptr %0)
   %inc = add i32 %i.01, 1
   %exitcond = icmp eq i32 %inc, 10000
   br i1 %exitcond, label %for.end, label %for.body

 for.end:                                          ; preds = %for.body
   ret void
 }

 define void @test_volatile(ptr %x) uwtable ssp {
 ; CHECK-LABEL: test_volatile:
 ; CHECK:       ## %bb.0: ## %entry
 ; CHECK-NEXT:    pushq %rbp
 ; CHECK-NEXT:    .cfi_def_cfa_offset 16
 ; CHECK-NEXT:    pushq %r14
 ; CHECK-NEXT:    .cfi_def_cfa_offset 24
 ; CHECK-NEXT:    pushq %rbx
 ; CHECK-NEXT:    .cfi_def_cfa_offset 32
 ; CHECK-NEXT:    .cfi_offset %rbx, -32
 ; CHECK-NEXT:    .cfi_offset %r14, -24
 ; CHECK-NEXT:    .cfi_offset %rbp, -16
 ; CHECK-NEXT:    movq %rdi, %rbx
 ; CHECK-NEXT:    movl $10000, %ebp ## imm = 0x2710
 ; CHECK-NEXT:    movq _objc_msgSend@GOTPCREL(%rip), %r14
 ; CHECK-NEXT:    .p2align 4, 0x90
 ; CHECK-NEXT:  LBB2_1: ## %for.body
 ; CHECK-NEXT:    ## =>This Inner Loop Header: Depth=1
 ; CHECK-NEXT:    movq L_OBJC_SELECTOR_REFERENCES_(%rip), %rsi
 ; CHECK-NEXT:    movq %rbx, %rdi
 ; CHECK-NEXT:    callq *%r14
 ; CHECK-NEXT:    decl %ebp
 ; CHECK-NEXT:    jne LBB2_1
 ; CHECK-NEXT:  ## %bb.2: ## %for.end
 ; CHECK-NEXT:    popq %rbx
 ; CHECK-NEXT:    popq %r14
 ; CHECK-NEXT:    popq %rbp
 ; CHECK-NEXT:    retq
 entry:
   br label %for.body

 for.body:                                         ; preds = %for.body, %entry
   %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
   %0 = load volatile ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_", align 8, !invariant.load !0
   %call = tail call ptr @objc_msgSend(ptr %x, ptr %0)
   %inc = add i32 %i.01, 1
   %exitcond = icmp eq i32 %inc, 10000
   br i1 %exitcond, label %for.end, label %for.body

 for.end:                                          ; preds = %for.body
   ret void
 }

 define void @test_seq_cst(ptr %x) uwtable ssp {
 ; CHECK-LABEL: test_seq_cst:
 ; CHECK:       ## %bb.0: ## %entry
 ; CHECK-NEXT:    pushq %rbp
 ; CHECK-NEXT:    .cfi_def_cfa_offset 16
 ; CHECK-NEXT:    pushq %r14
 ; CHECK-NEXT:    .cfi_def_cfa_offset 24
 ; CHECK-NEXT:    pushq %rbx
 ; CHECK-NEXT:    .cfi_def_cfa_offset 32
 ; CHECK-NEXT:    .cfi_offset %rbx, -32
 ; CHECK-NEXT:    .cfi_offset %r14, -24
 ; CHECK-NEXT:    .cfi_offset %rbp, -16
 ; CHECK-NEXT:    movq %rdi, %rbx
 ; CHECK-NEXT:    movl $10000, %ebp ## imm = 0x2710
 ; CHECK-NEXT:    movq _objc_msgSend@GOTPCREL(%rip), %r14
 ; CHECK-NEXT:    .p2align 4, 0x90
 ; CHECK-NEXT:  LBB3_1: ## %for.body
 ; CHECK-NEXT:    ## =>This Inner Loop Header: Depth=1
 ; CHECK-NEXT:    movq L_OBJC_SELECTOR_REFERENCES_(%rip), %rsi
 ; CHECK-NEXT:    movq %rbx, %rdi
 ; CHECK-NEXT:    callq *%r14
 ; CHECK-NEXT:    decl %ebp
 ; CHECK-NEXT:    jne LBB3_1
 ; CHECK-NEXT:  ## %bb.2: ## %for.end
 ; CHECK-NEXT:    popq %rbx
 ; CHECK-NEXT:    popq %r14
 ; CHECK-NEXT:    popq %rbp
 ; CHECK-NEXT:    retq
 entry:
   br label %for.body

 for.body:                                         ; preds = %for.body, %entry
   %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
   %0 = load atomic ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_" seq_cst, align 8, !invariant.load !0
   %call = tail call ptr @objc_msgSend(ptr %x, ptr %0)
   %inc = add i32 %i.01, 1
   %exitcond = icmp eq i32 %inc, 10000
   br i1 %exitcond, label %for.end, label %for.body

 for.end:                                          ; preds = %for.body
   ret void
 }

 declare ptr @objc_msgSend(ptr, ptr, ...) nonlazybind

 define void @test_multi_def(ptr dereferenceable(8) align(8) %x1,
 ; CHECK-LABEL: test_multi_def:
 ; CHECK:       ## %bb.0: ## %entry
 ; CHECK-NEXT:    movq %rdx, %rax
 ; CHECK-NEXT:    xorl %r8d, %r8d
 ; CHECK-NEXT:    movq (%rdi), %rdx
 ; CHECK-NEXT:    movq (%rsi), %rsi
 ; CHECK-NEXT:    .p2align 4, 0x90
 ; CHECK-NEXT:  LBB4_2: ## %for.body
 ; CHECK-NEXT:    ## =>This Inner Loop Header: Depth=1
 ; CHECK-NEXT:    mulxq %rsi, %r9, %rdi
 ; CHECK-NEXT:    addq %r9, (%rax)
 ; CHECK-NEXT:    adcq %rdi, 8(%rax)
 ; CHECK-NEXT:  ## %bb.1: ## %for.check
 ; CHECK-NEXT:    ## in Loop: Header=BB4_2 Depth=1
 ; CHECK-NEXT:    incq %r8
 ; CHECK-NEXT:    addq $16, %rax
 ; CHECK-NEXT:    cmpq %rcx, %r8
 ; CHECK-NEXT:    jl LBB4_2
 ; CHECK-NEXT:  ## %bb.3: ## %exit
 ; CHECK-NEXT:    retq
                             ptr dereferenceable(8) align(8) %x2,
                             ptr %y, i64 %count) nounwind nofree nosync {
 entry:
   br label %for.body

 for.check:
   %inc = add nsw i64 %i, 1
   %done = icmp sge i64 %inc, %count
   br i1 %done, label %exit, label %for.body

 for.body:
   %i = phi i64 [ 0, %entry ], [ %inc, %for.check ]
   %x1_load = load i64, ptr %x1, align 8, !invariant.load !0
   %x1_zext = zext i64 %x1_load to i128
   %x2_load = load i64, ptr %x2, align 8, !invariant.load !0
   %x2_zext = zext i64 %x2_load to i128
   %x_prod = mul i128 %x1_zext, %x2_zext
   %y_elem = getelementptr inbounds i128, ptr %y, i64 %i
   %y_load = load i128, ptr %y_elem, align 8
   %y_plus = add i128 %x_prod, %y_load
   store i128 %y_plus, ptr %y_elem, align 8
   br label %for.check

 exit:
   ret void
 }

 define void @test_div_def(ptr dereferenceable(8) align(8) %x1,
 ; CHECK-LABEL: test_div_def:
 ; CHECK:       ## %bb.0: ## %entry
 ; CHECK-NEXT:    movq %rdx, %r8
 ; CHECK-NEXT:    xorl %r9d, %r9d
 ; CHECK-NEXT:    movl (%rdi), %edi
 ; CHECK-NEXT:    movl (%rsi), %esi
 ; CHECK-NEXT:    .p2align 4, 0x90
 ; CHECK-NEXT:  LBB5_2: ## %for.body
 ; CHECK-NEXT:    ## =>This Inner Loop Header: Depth=1
 ; CHECK-NEXT:    movl %edi, %eax
 ; CHECK-NEXT:    xorl %edx, %edx
 ; CHECK-NEXT:    divl %esi
 ; CHECK-NEXT:    addl %eax, (%r8,%r9,4)
 ; CHECK-NEXT:  ## %bb.1: ## %for.check
 ; CHECK-NEXT:    ## in Loop: Header=BB5_2 Depth=1
 ; CHECK-NEXT:    incq %r9
 ; CHECK-NEXT:    cmpl %ecx, %r9d
 ; CHECK-NEXT:    jl LBB5_2
 ; CHECK-NEXT:  ## %bb.3: ## %exit
 ; CHECK-NEXT:    retq
                           ptr dereferenceable(8) align(8) %x2,
                           ptr %y, i32 %count) nounwind nofree nosync {
 entry:
   br label %for.body

 for.check:
   %inc = add nsw i32 %i, 1
   %done = icmp sge i32 %inc, %count
   br i1 %done, label %exit, label %for.body

 for.body:
   %i = phi i32 [ 0, %entry ], [ %inc, %for.check ]
   %x1_load = load i32, ptr %x1, align 8, !invariant.load !0
   %x2_load = load i32, ptr %x2, align 8, !invariant.load !0
   %x_quot = udiv i32 %x1_load, %x2_load
   %y_elem = getelementptr inbounds i32, ptr %y, i32 %i
   %y_load = load i32, ptr %y_elem, align 8
   %y_plus = add i32 %x_quot, %y_load
   store i32 %y_plus, ptr %y_elem, align 8
   br label %for.check

 exit:
   ret void
 }

 !0 = !{}
	; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py

	; Verify the call site info. If the call site info is not
	; in the valid state, an assert should be triggered.
	; RUN: llc < %s -debug-entry-values -stop-after=machineverifier

	; REQUIRES: asserts
	; RUN: llc -mcpu=haswell < %s -O2 2>&1 \| FileCheck %s
	; For test:
	; 2 invariant loads, 1 for OBJC_SELECTOR_REFERENCES_
	; and 1 for objc_msgSend from the GOT
	; For test_multi_def:
	; 2 invariant load (full multiply, both loads should be hoisted.)
	; For test_div_def:
	; 2 invariant load (full divide, both loads should be hoisted.) 1 additional instruction for a zeroing edx that gets hoisted and then rematerialized.

	target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
	target triple = "x86_64-apple-macosx10.7.2"

	@"\01L_OBJC_METH_VAR_NAME_" = internal global [4 x i8] c"foo\00", section "__TEXT,__objc_methname,cstring_literals", align 1
	@"\01L_OBJC_SELECTOR_REFERENCES_" = internal global ptr @"\01L_OBJC_METH_VAR_NAME_", section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
	@"\01L_OBJC_IMAGE_INFO" = internal constant [2 x i32] [i32 0, i32 16], section "__DATA, __objc_imageinfo, regular, no_dead_strip"
	@llvm.used = appending global [3 x ptr] [ptr @"\01L_OBJC_METH_VAR_NAME_", ptr @"\01L_OBJC_SELECTOR_REFERENCES_", ptr @"\01L_OBJC_IMAGE_INFO"], section "llvm.metadata"

	define void @test(ptr %x) uwtable ssp {
	; CHECK-LABEL: test:
	; CHECK: ## %bb.0: ## %entry
	; CHECK-NEXT: pushq %rbp
	; CHECK-NEXT: .cfi_def_cfa_offset 16
	; CHECK-NEXT: pushq %r15
	; CHECK-NEXT: .cfi_def_cfa_offset 24
	; CHECK-NEXT: pushq %r14
	; CHECK-NEXT: .cfi_def_cfa_offset 32
	; CHECK-NEXT: pushq %rbx
	; CHECK-NEXT: .cfi_def_cfa_offset 40
	; CHECK-NEXT: pushq %rax
	; CHECK-NEXT: .cfi_def_cfa_offset 48
	; CHECK-NEXT: .cfi_offset %rbx, -40
	; CHECK-NEXT: .cfi_offset %r14, -32
	; CHECK-NEXT: .cfi_offset %r15, -24
	; CHECK-NEXT: .cfi_offset %rbp, -16
	; CHECK-NEXT: movq %rdi, %rbx
	; CHECK-NEXT: movl $10000, %ebp ## imm = 0x2710
	; CHECK-NEXT: movq L_OBJC_SELECTOR_REFERENCES_(%rip), %r14
	; CHECK-NEXT: movq _objc_msgSend@GOTPCREL(%rip), %r15
	; CHECK-NEXT: .p2align 4, 0x90
	; CHECK-NEXT: LBB0_1: ## %for.body
	; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
	; CHECK-NEXT: movq %rbx, %rdi
	; CHECK-NEXT: movq %r14, %rsi
	; CHECK-NEXT: callq *%r15
	; CHECK-NEXT: decl %ebp
	; CHECK-NEXT: jne LBB0_1
	; CHECK-NEXT: ## %bb.2: ## %for.end
	; CHECK-NEXT: addq $8, %rsp
	; CHECK-NEXT: popq %rbx
	; CHECK-NEXT: popq %r14
	; CHECK-NEXT: popq %r15
	; CHECK-NEXT: popq %rbp
	; CHECK-NEXT: retq
	entry:
	br label %for.body

	for.body: ; preds = %for.body, %entry
	%i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
	%0 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_", align 8, !invariant.load !0
	%call = tail call ptr @objc_msgSend(ptr %x, ptr %0)
	%inc = add i32 %i.01, 1
	%exitcond = icmp eq i32 %inc, 10000
	br i1 %exitcond, label %for.end, label %for.body

	for.end: ; preds = %for.body
	ret void
	}

	define void @test_unordered(ptr %x) uwtable ssp {
	; CHECK-LABEL: test_unordered:
	; CHECK: ## %bb.0: ## %entry
	; CHECK-NEXT: pushq %rbp
	; CHECK-NEXT: .cfi_def_cfa_offset 16
	; CHECK-NEXT: pushq %r15
	; CHECK-NEXT: .cfi_def_cfa_offset 24
	; CHECK-NEXT: pushq %r14
	; CHECK-NEXT: .cfi_def_cfa_offset 32
	; CHECK-NEXT: pushq %rbx
	; CHECK-NEXT: .cfi_def_cfa_offset 40
	; CHECK-NEXT: pushq %rax
	; CHECK-NEXT: .cfi_def_cfa_offset 48
	; CHECK-NEXT: .cfi_offset %rbx, -40
	; CHECK-NEXT: .cfi_offset %r14, -32
	; CHECK-NEXT: .cfi_offset %r15, -24
	; CHECK-NEXT: .cfi_offset %rbp, -16
	; CHECK-NEXT: movq %rdi, %rbx
	; CHECK-NEXT: movl $10000, %ebp ## imm = 0x2710
	; CHECK-NEXT: movq L_OBJC_SELECTOR_REFERENCES_(%rip), %r14
	; CHECK-NEXT: movq _objc_msgSend@GOTPCREL(%rip), %r15
	; CHECK-NEXT: .p2align 4, 0x90
	; CHECK-NEXT: LBB1_1: ## %for.body
	; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
	; CHECK-NEXT: movq %rbx, %rdi
	; CHECK-NEXT: movq %r14, %rsi
	; CHECK-NEXT: callq *%r15
	; CHECK-NEXT: decl %ebp
	; CHECK-NEXT: jne LBB1_1
	; CHECK-NEXT: ## %bb.2: ## %for.end
	; CHECK-NEXT: addq $8, %rsp
	; CHECK-NEXT: popq %rbx
	; CHECK-NEXT: popq %r14
	; CHECK-NEXT: popq %r15
	; CHECK-NEXT: popq %rbp
	; CHECK-NEXT: retq
	entry:
	br label %for.body

	for.body: ; preds = %for.body, %entry
	%i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
	%0 = load atomic ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_" unordered, align 8, !invariant.load !0
	%call = tail call ptr @objc_msgSend(ptr %x, ptr %0)
	%inc = add i32 %i.01, 1
	%exitcond = icmp eq i32 %inc, 10000
	br i1 %exitcond, label %for.end, label %for.body

	for.end: ; preds = %for.body
	ret void
	}

	define void @test_volatile(ptr %x) uwtable ssp {
	; CHECK-LABEL: test_volatile:
	; CHECK: ## %bb.0: ## %entry
	; CHECK-NEXT: pushq %rbp
	; CHECK-NEXT: .cfi_def_cfa_offset 16
	; CHECK-NEXT: pushq %r14
	; CHECK-NEXT: .cfi_def_cfa_offset 24
	; CHECK-NEXT: pushq %rbx
	; CHECK-NEXT: .cfi_def_cfa_offset 32
	; CHECK-NEXT: .cfi_offset %rbx, -32
	; CHECK-NEXT: .cfi_offset %r14, -24
	; CHECK-NEXT: .cfi_offset %rbp, -16
	; CHECK-NEXT: movq %rdi, %rbx
	; CHECK-NEXT: movl $10000, %ebp ## imm = 0x2710
	; CHECK-NEXT: movq _objc_msgSend@GOTPCREL(%rip), %r14
	; CHECK-NEXT: .p2align 4, 0x90
	; CHECK-NEXT: LBB2_1: ## %for.body
	; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
	; CHECK-NEXT: movq L_OBJC_SELECTOR_REFERENCES_(%rip), %rsi
	; CHECK-NEXT: movq %rbx, %rdi
	; CHECK-NEXT: callq *%r14
	; CHECK-NEXT: decl %ebp
	; CHECK-NEXT: jne LBB2_1
	; CHECK-NEXT: ## %bb.2: ## %for.end
	; CHECK-NEXT: popq %rbx
	; CHECK-NEXT: popq %r14
	; CHECK-NEXT: popq %rbp
	; CHECK-NEXT: retq
	entry:
	br label %for.body

	for.body: ; preds = %for.body, %entry
	%i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
	%0 = load volatile ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_", align 8, !invariant.load !0
	%call = tail call ptr @objc_msgSend(ptr %x, ptr %0)
	%inc = add i32 %i.01, 1
	%exitcond = icmp eq i32 %inc, 10000
	br i1 %exitcond, label %for.end, label %for.body

	for.end: ; preds = %for.body
	ret void
	}

	define void @test_seq_cst(ptr %x) uwtable ssp {
	; CHECK-LABEL: test_seq_cst:
	; CHECK: ## %bb.0: ## %entry
	; CHECK-NEXT: pushq %rbp
	; CHECK-NEXT: .cfi_def_cfa_offset 16
	; CHECK-NEXT: pushq %r14
	; CHECK-NEXT: .cfi_def_cfa_offset 24
	; CHECK-NEXT: pushq %rbx
	; CHECK-NEXT: .cfi_def_cfa_offset 32
	; CHECK-NEXT: .cfi_offset %rbx, -32
	; CHECK-NEXT: .cfi_offset %r14, -24
	; CHECK-NEXT: .cfi_offset %rbp, -16
	; CHECK-NEXT: movq %rdi, %rbx
	; CHECK-NEXT: movl $10000, %ebp ## imm = 0x2710
	; CHECK-NEXT: movq _objc_msgSend@GOTPCREL(%rip), %r14
	; CHECK-NEXT: .p2align 4, 0x90
	; CHECK-NEXT: LBB3_1: ## %for.body
	; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
	; CHECK-NEXT: movq L_OBJC_SELECTOR_REFERENCES_(%rip), %rsi
	; CHECK-NEXT: movq %rbx, %rdi
	; CHECK-NEXT: callq *%r14
	; CHECK-NEXT: decl %ebp
	; CHECK-NEXT: jne LBB3_1
	; CHECK-NEXT: ## %bb.2: ## %for.end
	; CHECK-NEXT: popq %rbx
	; CHECK-NEXT: popq %r14
	; CHECK-NEXT: popq %rbp
	; CHECK-NEXT: retq
	entry:
	br label %for.body

	for.body: ; preds = %for.body, %entry
	%i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
	%0 = load atomic ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_" seq_cst, align 8, !invariant.load !0
	%call = tail call ptr @objc_msgSend(ptr %x, ptr %0)
	%inc = add i32 %i.01, 1
	%exitcond = icmp eq i32 %inc, 10000
	br i1 %exitcond, label %for.end, label %for.body

	for.end: ; preds = %for.body
	ret void
	}

	declare ptr @objc_msgSend(ptr, ptr, ...) nonlazybind

	define void @test_multi_def(ptr dereferenceable(8) align(8) %x1,
	; CHECK-LABEL: test_multi_def:
	; CHECK: ## %bb.0: ## %entry
	; CHECK-NEXT: movq %rdx, %rax
	; CHECK-NEXT: xorl %r8d, %r8d
	; CHECK-NEXT: movq (%rdi), %rdx
	; CHECK-NEXT: movq (%rsi), %rsi
	; CHECK-NEXT: .p2align 4, 0x90
	; CHECK-NEXT: LBB4_2: ## %for.body
	; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
	; CHECK-NEXT: mulxq %rsi, %r9, %rdi
	; CHECK-NEXT: addq %r9, (%rax)
	; CHECK-NEXT: adcq %rdi, 8(%rax)
	; CHECK-NEXT: ## %bb.1: ## %for.check
	; CHECK-NEXT: ## in Loop: Header=BB4_2 Depth=1
	; CHECK-NEXT: incq %r8
	; CHECK-NEXT: addq $16, %rax
	; CHECK-NEXT: cmpq %rcx, %r8
	; CHECK-NEXT: jl LBB4_2
	; CHECK-NEXT: ## %bb.3: ## %exit
	; CHECK-NEXT: retq
	ptr dereferenceable(8) align(8) %x2,
	ptr %y, i64 %count) nounwind nofree nosync {
	entry:
	br label %for.body

	for.check:
	%inc = add nsw i64 %i, 1
	%done = icmp sge i64 %inc, %count
	br i1 %done, label %exit, label %for.body

	for.body:
	%i = phi i64 [ 0, %entry ], [ %inc, %for.check ]
	%x1_load = load i64, ptr %x1, align 8, !invariant.load !0
	%x1_zext = zext i64 %x1_load to i128
	%x2_load = load i64, ptr %x2, align 8, !invariant.load !0
	%x2_zext = zext i64 %x2_load to i128
	%x_prod = mul i128 %x1_zext, %x2_zext
	%y_elem = getelementptr inbounds i128, ptr %y, i64 %i
	%y_load = load i128, ptr %y_elem, align 8
	%y_plus = add i128 %x_prod, %y_load
	store i128 %y_plus, ptr %y_elem, align 8
	br label %for.check

	exit:
	ret void
	}

	define void @test_div_def(ptr dereferenceable(8) align(8) %x1,
	; CHECK-LABEL: test_div_def:
	; CHECK: ## %bb.0: ## %entry
	; CHECK-NEXT: movq %rdx, %r8
	; CHECK-NEXT: xorl %r9d, %r9d
	; CHECK-NEXT: movl (%rdi), %edi
	; CHECK-NEXT: movl (%rsi), %esi
	; CHECK-NEXT: .p2align 4, 0x90
	; CHECK-NEXT: LBB5_2: ## %for.body
	; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1
	; CHECK-NEXT: movl %edi, %eax
	; CHECK-NEXT: xorl %edx, %edx
	; CHECK-NEXT: divl %esi
	; CHECK-NEXT: addl %eax, (%r8,%r9,4)
	; CHECK-NEXT: ## %bb.1: ## %for.check
	; CHECK-NEXT: ## in Loop: Header=BB5_2 Depth=1
	; CHECK-NEXT: incq %r9
	; CHECK-NEXT: cmpl %ecx, %r9d
	; CHECK-NEXT: jl LBB5_2
	; CHECK-NEXT: ## %bb.3: ## %exit
	; CHECK-NEXT: retq
	ptr dereferenceable(8) align(8) %x2,
	ptr %y, i32 %count) nounwind nofree nosync {
	entry:
	br label %for.body

	for.check:
	%inc = add nsw i32 %i, 1
	%done = icmp sge i32 %inc, %count
	br i1 %done, label %exit, label %for.body

	for.body:
	%i = phi i32 [ 0, %entry ], [ %inc, %for.check ]
	%x1_load = load i32, ptr %x1, align 8, !invariant.load !0
	%x2_load = load i32, ptr %x2, align 8, !invariant.load !0
	%x_quot = udiv i32 %x1_load, %x2_load
	%y_elem = getelementptr inbounds i32, ptr %y, i32 %i
	%y_load = load i32, ptr %y_elem, align 8
	%y_plus = add i32 %x_quot, %y_load
	store i32 %y_plus, ptr %y_elem, align 8
	br label %for.check

	exit:
	ret void
	}

	!0 = !{}