llvm-project/llvm/test/CodeGen/X86/merge-sp-updates-cfi.ll

48 lines
1.2 KiB
LLVM

; RUN: llc < %s -mtriple=i686-pc-linux | FileCheck %s
; Function Attrs: optsize
declare void @foo(i32, i32)
declare x86_stdcallcc void @stdfoo(i32, i32)
; CHECK-LABEL: testNoUnwind:
; CHECK: subl $20, %esp
; CHECK-NOT: subl $12, %esp
; CHECK-NOT: subl $8, %esp
; CHECK: calll foo
; CHECK: addl $8, %esp
; CHECK-NOT: addl $16, %esp
; CHECK-NOT: subl $8, %esp
; CHECK: calll stdfoo
; CHECK: addl $20, %esp
; CHECK-NOT: addl $8, %esp
; CHECK-NOT: addl $12, %esp
define void @testNoUnwind() nounwind {
entry:
tail call void @foo(i32 1, i32 2)
tail call x86_stdcallcc void @stdfoo(i32 3, i32 4)
ret void
}
; CHECK-LABEL: testWithUnwind:
; CHECK: subl $20, %esp
; CHECK-NEXT: .cfi_adjust_cfa_offset 20
; CHECK-NOT: subl $12, %esp
; CHECK-NOT: subl $8, %esp
; CHECK: calll foo
; CHECK: addl $8, %esp
; CHECK-NEXT: .cfi_adjust_cfa_offset -8
; CHECK-NOT: addl $16, %esp
; CHECK-NOT: subl $8, %esp
; CHECK: calll stdfoo
; CHECK: addl $20, %esp
; CHECK-NEXT: .cfi_adjust_cfa_offset -20
; CHECK-NOT: addl $8, %esp
; CHECK-NOT: addl $12, %esp
define void @testWithUnwind() {
entry:
tail call void @foo(i32 1, i32 2)
tail call x86_stdcallcc void @stdfoo(i32 3, i32 4)
ret void
}