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; RUN: llc -enable-machine-outliner -mtriple=x86_64-apple-darwin < %s | FileCheck %s
@x = global i32 0, align 4
define i32 @check_boundaries() #0 {
; CHECK-LABEL: _check_boundaries:
%1 = alloca i32, align 4
%2 = alloca i32, align 4
%3 = alloca i32, align 4
%4 = alloca i32, align 4
%5 = alloca i32, align 4
store i32 0, i32* %1, align 4
store i32 0, i32* %2, align 4
%6 = load i32, i32* %2, align 4
%7 = icmp ne i32 %6, 0
br i1 %7, label %9, label %8
; CHECK: callq
; CHECK-SAME: [[OFUNC1:OUTLINED_FUNCTION_[0-9]+]]
; CHECK: cmpl $0, -{{[0-9]+}}(%rbp)
store i32 1, i32* %2, align 4
store i32 2, i32* %3, align 4
store i32 3, i32* %4, align 4
store i32 4, i32* %5, align 4
br label %10
store i32 1, i32* %4, align 4
br label %10
%11 = load i32, i32* %2, align 4
%12 = icmp ne i32 %11, 0
br i1 %12, label %14, label %13
; CHECK: callq
; CHECK-SAME: [[OFUNC1]]
store i32 1, i32* %2, align 4
store i32 2, i32* %3, align 4
store i32 3, i32* %4, align 4
store i32 4, i32* %5, align 4
br label %15
store i32 1, i32* %4, align 4
br label %15
ret i32 0
}
define i32 @empty_1() #0 {
; CHECK-LABEL: _empty_1:
; CHECK-NOT: OUTLINED_FUNCTION
ret i32 1
}
define i32 @empty_2() #0 {
; CHECK-LABEL: _empty_2
; CHECK-NOT: OUTLINED_FUNCTION
ret i32 1
}
define i32 @no_empty_outlining() #0 {
; CHECK-LABEL: _no_empty_outlining:
%1 = alloca i32, align 4
store i32 0, i32* %1, align 4
; CHECK-NOT: OUTLINED_FUNCTION
%2 = call i32 @empty_1() #1
%3 = call i32 @empty_2() #1
%4 = call i32 @empty_1() #1
%5 = call i32 @empty_2() #1
%6 = call i32 @empty_1() #1
%7 = call i32 @empty_2() #1
ret i32 0
}
define i32 @main() #0 {
; CHECK-LABEL: _main:
%1 = alloca i32, align 4
%2 = alloca i32, align 4
%3 = alloca i32, align 4
%4 = alloca i32, align 4
%5 = alloca i32, align 4
store i32 0, i32* %1, align 4
store i32 0, i32* @x, align 4
; CHECK: callq
; CHECK-SAME: [[OFUNC2:OUTLINED_FUNCTION_[0-9]+]]
store i32 1, i32* %2, align 4
store i32 2, i32* %3, align 4
store i32 3, i32* %4, align 4
store i32 4, i32* %5, align 4
store i32 1, i32* @x, align 4
call void asm sideeffect "", "~{memory},~{dirflag},~{fpsr},~{flags}"()
; CHECK: callq
; CHECK-SAME: [[OFUNC2]]
store i32 1, i32* %2, align 4
store i32 2, i32* %3, align 4
store i32 3, i32* %4, align 4
store i32 4, i32* %5, align 4
ret i32 0
}
attributes #0 = { noredzone nounwind ssp uwtable "frame-pointer"="all" }
; CHECK: OUTLINED_FUNCTION_{{[0-9]+}}:
; CHECK-DAG: movl $1, -{{[0-9]+}}(%rbp)
; CHECK-NEXT: movl $2, -{{[0-9]+}}(%rbp)
; CHECK-NEXT: movl $3, -{{[0-9]+}}(%rbp)
; CHECK-NEXT: movl $4, -{{[0-9]+}}(%rbp)
; CHECK-NEXT: retq
; CHECK: OUTLINED_FUNCTION_{{[0-9]+}}:
; CHECK-DAG: movl $1, -{{[0-9]+}}(%rbp)
; CHECK-NEXT: movl $2, -{{[0-9]+}}(%rbp)
; CHECK-NEXT: movl $3, -{{[0-9]+}}(%rbp)
; CHECK-NEXT: movl $4, -{{[0-9]+}}(%rbp)
; CHECK-NEXT: retq
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