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| author | Bill Wendling <isanbard@gmail.com> | 2010-05-08 04:47:54 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2010-05-08 04:47:54 +0000 |
| commit | 369252db2e517de6ccc9851395a9e7ae75d2130d (patch) | |
| tree | 57599633dd1d0b01a53320218dc6eee87eb3e27f /test/CodeGen/X86/fp-elim.ll | |
| parent | d5477089760b39affbfe28d5ef49197f63d34900 (diff) | |
| download | external_llvm-369252db2e517de6ccc9851395a9e7ae75d2130d.zip external_llvm-369252db2e517de6ccc9851395a9e7ae75d2130d.tar.gz external_llvm-369252db2e517de6ccc9851395a9e7ae75d2130d.tar.bz2 | |
Readd testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103335 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/fp-elim.ll')
| -rw-r--r-- | test/CodeGen/X86/fp-elim.ll | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fp-elim.ll b/test/CodeGen/X86/fp-elim.ll new file mode 100644 index 0000000..60892a2 --- /dev/null +++ b/test/CodeGen/X86/fp-elim.ll @@ -0,0 +1,44 @@ +; 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 + +; 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 + ret i32 10 +} + +define void @t2() nounwind { +entry: +; FP-ELIM: t2: +; FP-ELIM-NOT: pushl %ebp +; FP-ELIM: ret + +; NO-ELIM: t2: +; NO-ELIM-NEXT: pushl %ebp +; NO-ELIM: popl %ebp +; NO-ELIM-NEXT: ret + +; NON-LEAF: t2: +; NON-LEAF-NEXT: pushl %ebp +; NON-LEAF: popl %ebp +; NON-LEAF-NEXT: ret + tail call void @foo(i32 0) nounwind + ret void +} + +declare void @foo(i32) |