mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-26 05:32:25 +00:00
21 lines
705 B
LLVM
21 lines
705 B
LLVM
|
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 -disable-fp-elim | FileCheck %s
|
||
|
|
|
||
|
|
; Check that the X86 stackmap shadow optimization is only outputting a 1-byte
|
||
|
|
; nop here. 8-bytes are requested, but 7 are covered by the code for the call to
|
||
|
|
; bar, the frame teardown and the return.
|
||
|
|
define void @shadow_optimization_test() {
|
||
|
|
entry:
|
||
|
|
; CHECK-LABEL: shadow_optimization_test:
|
||
|
|
; CHECK: callq _bar
|
||
|
|
; CHECK-NOT: nop
|
||
|
|
; CHECK: callq _bar
|
||
|
|
; CHECK: retq
|
||
|
|
; CHECK: nop
|
||
|
|
call void @bar()
|
||
|
|
tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 0, i32 8)
|
||
|
|
call void @bar()
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @llvm.experimental.stackmap(i64, i32, ...)
|
||
|
|
declare void @bar()
|