diff options
Diffstat (limited to 'test/CodeGen/X86/fp-elim.ll')
| -rw-r--r-- | test/CodeGen/X86/fp-elim.ll | 64 |
1 files changed, 41 insertions, 23 deletions
diff --git a/test/CodeGen/X86/fp-elim.ll b/test/CodeGen/X86/fp-elim.ll index 60892a2352fb8..2c50bd1be75a3 100644 --- a/test/CodeGen/X86/fp-elim.ll +++ b/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 { entry: -; FP-ELIM: t1: -; FP-ELIM-NEXT: movl -; FP-ELIM-NEXT: ret +; FP-ELIM-LABEL: t1: +; FP-ELIM-NEXT: movl +; FP-ELIM-NEXT: ret -; NO-ELIM: t1: -; NO-ELIM-NEXT: pushl %ebp -; NO-ELIM: popl %ebp -; NO-ELIM-NEXT: ret - -; NON-LEAF: t1: -; NON-LEAF-NEXT: movl -; NON-LEAF-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 { entry: -; FP-ELIM: t2: -; FP-ELIM-NOT: pushl %ebp -; FP-ELIM: 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 +} -; NO-ELIM: t2: -; NO-ELIM-NEXT: pushl %ebp -; NO-ELIM: popl %ebp -; NO-ELIM-NEXT: ret +define i32 @t3() "no-frame-pointer-elim-non-leaf" 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" nounwind { +entry: +; FP-ELIM-LABEL: t4: +; FP-ELIM-NEXT: pushl %ebp +; FP-ELIM: popl %ebp +; FP-ELIM-NEXT: ret -; NON-LEAF: t2: -; NON-LEAF-NEXT: pushl %ebp -; NON-LEAF: popl %ebp -; NON-LEAF-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 } |
