mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 12:12:47 +01:00
2930fae4b8
This makes it more likely that we can use the 16-bit push and pop instructions on Thumb-2, saving around 4 bytes per function. Differential Revision: http://reviews.llvm.org/D9165 llvm-svn: 235637
33 lines
828 B
LLVM
33 lines
828 B
LLVM
; RUN: llc < %s -mtriple=thumbv7-none-linux-gnueabi -arm-atomic-cfg-tidy=0 | FileCheck %s
|
|
; PR4659
|
|
; PR4682
|
|
|
|
define hidden i32 @__gcov_execlp(i8* %path, i8* %arg, ...) nounwind {
|
|
entry:
|
|
; CHECK-LABEL: __gcov_execlp:
|
|
; CHECK: sub sp, #8
|
|
; CHECK: push
|
|
; CHECK: add r7, sp, #8
|
|
; CHECK: sub.w r4, r7, #8
|
|
; CHECK: mov sp, r4
|
|
; CHECK-NOT: mov sp, r7
|
|
; CHECK: add sp, #8
|
|
call void @__gcov_flush() nounwind
|
|
call void @llvm.va_start(i8* null)
|
|
br i1 undef, label %bb5, label %bb
|
|
|
|
bb: ; preds = %bb, %entry
|
|
br i1 undef, label %bb5, label %bb
|
|
|
|
bb5: ; preds = %bb, %entry
|
|
%0 = alloca i8*, i32 undef, align 4 ; <i8**> [#uses=1]
|
|
%1 = call i32 @execvp(i8* %path, i8** %0) nounwind ; <i32> [#uses=1]
|
|
ret i32 %1
|
|
}
|
|
|
|
declare hidden void @__gcov_flush()
|
|
|
|
declare i32 @execvp(i8*, i8**) nounwind
|
|
|
|
declare void @llvm.va_start(i8*) nounwind
|