diff options
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/fp-elim.ll | 74 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/leaf-fp-elim.ll | 4 |
2 files changed, 48 insertions, 30 deletions
diff --git a/llvm/test/CodeGen/X86/fp-elim.ll b/llvm/test/CodeGen/X86/fp-elim.ll index d43ee36143b..583388cc713 100644 --- a/llvm/test/CodeGen/X86/fp-elim.ll +++ b/llvm/test/CodeGen/X86/fp-elim.ll @@ -1,42 +1,60 @@ ; RUN: llc < %s -march=x86 -asm-verbose=false | FileCheck %s -check-prefix=FP-ELIM ; RUN: llc < %s -march=x86 -asm-verbose=false -disable-fp-elim | FileCheck %s -check-prefix=NO-ELIM -; RUN: llc < %s -march=x86 -asm-verbose=false -disable-non-leaf-fp-elim | FileCheck %s -check-prefix=NON-LEAF ; Implement -momit-leaf-frame-pointer ; rdar://7886181 -define i32 @t1() nounwind readnone { +define i32 @t1() "no-frame-pointer-elim-non-leaf"="false" nounwind readnone { entry: -; FP-ELIM-LABEL: t1: -; FP-ELIM-NEXT: movl -; FP-ELIM-NEXT: ret - -; NO-ELIM-LABEL: t1: -; NO-ELIM-NEXT: pushl %ebp -; NO-ELIM: popl %ebp -; NO-ELIM-NEXT: ret - -; NON-LEAF-LABEL: t1: -; NON-LEAF-NEXT: movl -; NON-LEAF-NEXT: ret +; FP-ELIM-LABEL: t1: +; FP-ELIM-NEXT: movl +; FP-ELIM-NEXT: ret + +; NO-ELIM-LABEL: t1: +; NO-ELIM-NEXT: pushl %ebp +; NO-ELIM: popl %ebp +; NO-ELIM-NEXT: ret ret i32 10 } -define void @t2() nounwind { +define void @t2() "no-frame-pointer-elim-non-leaf"="false" nounwind { entry: -; FP-ELIM-LABEL: t2: -; FP-ELIM-NOT: pushl %ebp -; FP-ELIM: ret - -; NO-ELIM-LABEL: t2: -; NO-ELIM-NEXT: pushl %ebp -; NO-ELIM: popl %ebp -; NO-ELIM-NEXT: ret - -; NON-LEAF-LABEL: t2: -; NON-LEAF-NEXT: pushl %ebp -; NON-LEAF: popl %ebp -; NON-LEAF-NEXT: ret +; FP-ELIM-LABEL: t2: +; FP-ELIM-NOT: pushl %ebp +; FP-ELIM: ret + +; NO-ELIM-LABEL: t2: +; NO-ELIM-NEXT: pushl %ebp +; NO-ELIM: popl %ebp +; NO-ELIM-NEXT: ret + tail call void @foo(i32 0) nounwind + ret void +} + +define i32 @t3() "no-frame-pointer-elim-non-leaf"="true" nounwind readnone { +entry: +; FP-ELIM-LABEL: t3: +; FP-ELIM-NEXT: movl +; FP-ELIM-NEXT: ret + +; NO-ELIM-LABEL: t3: +; NO-ELIM-NEXT: pushl %ebp +; NO-ELIM: popl %ebp +; NO-ELIM-NEXT: ret + ret i32 10 +} + +define void @t4() "no-frame-pointer-elim-non-leaf"="true" nounwind { +entry: +; FP-ELIM-LABEL: t4: +; FP-ELIM-NEXT: pushl %ebp +; FP-ELIM: popl %ebp +; FP-ELIM-NEXT: ret + +; NO-ELIM-LABEL: t4: +; NO-ELIM-NEXT: pushl %ebp +; NO-ELIM: popl %ebp +; NO-ELIM-NEXT: ret tail call void @foo(i32 0) nounwind ret void } diff --git a/llvm/test/CodeGen/X86/leaf-fp-elim.ll b/llvm/test/CodeGen/X86/leaf-fp-elim.ll index 607dc72e2fa..7eebf8d2924 100644 --- a/llvm/test/CodeGen/X86/leaf-fp-elim.ll +++ b/llvm/test/CodeGen/X86/leaf-fp-elim.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -disable-non-leaf-fp-elim -relocation-model=pic -mtriple=x86_64-apple-darwin | FileCheck %s +; RUN: llc < %s -relocation-model=pic -mtriple=x86_64-apple-darwin | FileCheck %s ; <rdar://problem/8170192> target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" target triple = "x86_64-apple-darwin11.0" @@ -6,7 +6,7 @@ target triple = "x86_64-apple-darwin11.0" @msg = internal global i8* null ; <i8**> [#uses=1] @.str = private constant [2 x i8] c"x\00", align 1 ; <[2 x i8]*> [#uses=1] -define void @test(i8* %p) nounwind optsize ssp { +define void @test(i8* %p) "no-frame-pointer-elim-non-leaf"="true" nounwind optsize ssp { ; No stack frame, please. ; CHECK: _test |

