[llvm-commits] [llvm] r103335 - /llvm/trunk/test/CodeGen/X86/fp-elim.ll

[Bill Wendling]

Author: void
Date: Fri May  7 23:47:54 2010
New Revision: 103335

URL: http://llvm.org/viewvc/llvm-project?rev=103335&view=rev
Log:
Readd testcase.

Added:
    llvm/trunk/test/CodeGen/X86/fp-elim.ll

Added: llvm/trunk/test/CodeGen/X86/fp-elim.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/fp-elim.ll?rev=103335&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/fp-elim.ll (added)
+++ llvm/trunk/test/CodeGen/X86/fp-elim.ll Fri May  7 23:47:54 2010
@@ -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)