forked from OSchip/llvm-project
116 lines
2.9 KiB
LLVM
116 lines
2.9 KiB
LLVM
; RUN: llc -enable-machine-outliner -mtriple=x86_64-apple-darwin < %s | FileCheck %s
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@x = global i32 0, align 4
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define i32 @check_boundaries() #0 {
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; CHECK-LABEL: _check_boundaries:
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%1 = alloca i32, align 4
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%2 = alloca i32, align 4
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%3 = alloca i32, align 4
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%4 = alloca i32, align 4
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%5 = alloca i32, align 4
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store i32 0, i32* %1, align 4
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store i32 0, i32* %2, align 4
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%6 = load i32, i32* %2, align 4
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%7 = icmp ne i32 %6, 0
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br i1 %7, label %9, label %8
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; CHECK: callq
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; CHECK-SAME: [[OFUNC1:OUTLINED_FUNCTION_[0-9]+]]
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; CHECK: cmpl $0, -{{[0-9]+}}(%rbp)
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store i32 1, i32* %2, align 4
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store i32 2, i32* %3, align 4
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store i32 3, i32* %4, align 4
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store i32 4, i32* %5, align 4
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br label %10
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store i32 1, i32* %4, align 4
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br label %10
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%11 = load i32, i32* %2, align 4
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%12 = icmp ne i32 %11, 0
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br i1 %12, label %14, label %13
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; CHECK: callq
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; CHECK-SAME: [[OFUNC1]]
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store i32 1, i32* %2, align 4
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store i32 2, i32* %3, align 4
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store i32 3, i32* %4, align 4
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store i32 4, i32* %5, align 4
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br label %15
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store i32 1, i32* %4, align 4
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br label %15
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ret i32 0
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}
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define i32 @empty_1() #0 {
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; CHECK-LABEL: _empty_1:
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; CHECK-NOT: OUTLINED_FUNCTION
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ret i32 1
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}
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define i32 @empty_2() #0 {
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; CHECK-LABEL: _empty_2
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; CHECK-NOT: OUTLINED_FUNCTION
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ret i32 1
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}
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define i32 @no_empty_outlining() #0 {
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; CHECK-LABEL: _no_empty_outlining:
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%1 = alloca i32, align 4
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store i32 0, i32* %1, align 4
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; CHECK-NOT: OUTLINED_FUNCTION
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%2 = call i32 @empty_1() #1
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%3 = call i32 @empty_2() #1
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%4 = call i32 @empty_1() #1
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%5 = call i32 @empty_2() #1
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%6 = call i32 @empty_1() #1
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%7 = call i32 @empty_2() #1
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ret i32 0
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}
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define i32 @main() #0 {
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; CHECK-LABEL: _main:
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%1 = alloca i32, align 4
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%2 = alloca i32, align 4
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%3 = alloca i32, align 4
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%4 = alloca i32, align 4
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%5 = alloca i32, align 4
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store i32 0, i32* %1, align 4
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store i32 0, i32* @x, align 4
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; CHECK: callq
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; CHECK-SAME: [[OFUNC2:OUTLINED_FUNCTION_[0-9]+]]
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store i32 1, i32* %2, align 4
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store i32 2, i32* %3, align 4
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store i32 3, i32* %4, align 4
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store i32 4, i32* %5, align 4
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store i32 1, i32* @x, align 4
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call void asm sideeffect "", "~{memory},~{dirflag},~{fpsr},~{flags}"()
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; CHECK: callq
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; CHECK-SAME: [[OFUNC2]]
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store i32 1, i32* %2, align 4
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store i32 2, i32* %3, align 4
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store i32 3, i32* %4, align 4
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store i32 4, i32* %5, align 4
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ret i32 0
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}
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attributes #0 = { noredzone nounwind ssp uwtable "no-frame-pointer-elim"="true" }
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; CHECK: OUTLINED_FUNCTION_{{[0-9]+}}:
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; CHECK-DAG: movl $1, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: movl $2, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: movl $3, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: movl $4, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: retq
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; CHECK: OUTLINED_FUNCTION_{{[0-9]+}}:
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; CHECK-DAG: movl $1, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: movl $2, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: movl $3, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: movl $4, -{{[0-9]+}}(%rbp)
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; CHECK-NEXT: retq
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