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llvm-mirror/test/CodeGen/AArch64/arm64-hello.ll
Jun Bum Lim 3d75e98b8e Revert "AArch64: Omit callframe setup/destroy when not necessary"
This reverts commit r322917 due to multiple performance regressions in spec2006
and spec2017. XFAILed llvm/test/CodeGen/AArch64/big-callframe.ll which initially
motivated this change.

llvm-svn: 323683
2018-01-29 19:56:42 +00:00

36 lines
1.1 KiB
LLVM

; RUN: llc < %s -mtriple=arm64-apple-ios7.0 -disable-post-ra -disable-fp-elim | FileCheck %s
; RUN: llc < %s -mtriple=arm64-linux-gnu -disable-post-ra | FileCheck %s --check-prefix=CHECK-LINUX
; CHECK-LABEL: main:
; CHECK: sub sp, sp, #32
; CHECK-NEXT: stp x29, x30, [sp, #16]
; CHECK-NEXT: add x29, sp, #16
; CHECK-NEXT: stur wzr, [x29, #-4]
; CHECK: adrp x0, l_.str@PAGE
; CHECK: add x0, x0, l_.str@PAGEOFF
; CHECK-NEXT: bl _puts
; CHECK-NEXT: ldp x29, x30, [sp, #16]
; CHECK-NEXT: add sp, sp, #32
; CHECK-NEXT: ret
; CHECK-LINUX-LABEL: main:
; CHECK-LINUX: str x30, [sp, #-16]!
; CHECK-LINUX-NEXT: str wzr, [sp, #12]
; CHECK-LINUX: adrp x0, .L.str
; CHECK-LINUX: add x0, x0, :lo12:.L.str
; CHECK-LINUX-NEXT: bl puts
; CHECK-LINUX-NEXT: ldr x30, [sp], #16
; CHECK-LINUX-NEXT: ret
@.str = private unnamed_addr constant [7 x i8] c"hello\0A\00"
define i32 @main() nounwind ssp {
entry:
%retval = alloca i32, align 4
store i32 0, i32* %retval
%call = call i32 @puts(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str, i32 0, i32 0))
ret i32 %call
}
declare i32 @puts(i8*)