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authorShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
committerShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
commite264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch)
tree59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/CodeGen/X86/zero-remat.ll
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Check in LLVM r95781.
Diffstat (limited to 'test/CodeGen/X86/zero-remat.ll')
-rw-r--r--test/CodeGen/X86/zero-remat.ll40
1 files changed, 40 insertions, 0 deletions
diff --git a/test/CodeGen/X86/zero-remat.ll b/test/CodeGen/X86/zero-remat.ll
new file mode 100644
index 0000000..3e3bb95
--- /dev/null
+++ b/test/CodeGen/X86/zero-remat.ll
@@ -0,0 +1,40 @@
+; RUN: llc < %s -march=x86-64 | FileCheck %s --check-prefix=CHECK-64
+; RUN: llc < %s -march=x86-64 -stats -info-output-file - | grep asm-printer | grep 12
+; RUN: llc < %s -march=x86 | FileCheck %s --check-prefix=CHECK-32
+
+declare void @bar(double %x)
+declare void @barf(float %x)
+
+define double @foo() nounwind {
+
+ call void @bar(double 0.0)
+ ret double 0.0
+
+;CHECK-32: foo:
+;CHECK-32: call
+;CHECK-32: fldz
+;CHECK-32: ret
+
+;CHECK-64: foo:
+;CHECK-64: pxor
+;CHECK-64: call
+;CHECK-64: pxor
+;CHECK-64: ret
+}
+
+
+define float @foof() nounwind {
+ call void @barf(float 0.0)
+ ret float 0.0
+
+;CHECK-32: foof:
+;CHECK-32: call
+;CHECK-32: fldz
+;CHECK-32: ret
+
+;CHECK-64: foof:
+;CHECK-64: pxor
+;CHECK-64: call
+;CHECK-64: pxor
+;CHECK-64: ret
+}