[llvm-commits] [llvm] r108689 - /llvm/trunk/test/Transforms/InstCombine/2010-07-19-sqrt.ll

[Owen Anderson]

Author: resistor
Date: Mon Jul 19 03:14:26 2010
New Revision: 108689

URL: http://llvm.org/viewvc/llvm-project?rev=108689&view=rev
Log:
Testcase for r108687.

Added:
    llvm/trunk/test/Transforms/InstCombine/2010-07-19-sqrt.ll

Added: llvm/trunk/test/Transforms/InstCombine/2010-07-19-sqrt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/2010-07-19-sqrt.ll?rev=108689&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/2010-07-19-sqrt.ll (added)
+++ llvm/trunk/test/Transforms/InstCombine/2010-07-19-sqrt.ll Mon Jul 19 03:14:26 2010
@@ -0,0 +1,16 @@
+; RUN: opt -S -instcombine %s | FileCheck %s
+
+define float @foo(float %x) nounwind readnone ssp {
+entry:
+; CHECK-NOT: fpext
+; CHECK-NOT: sqrt(
+; CHECK: sqrtf(
+; CHECK-NOT: fptrunc
+  %conv = fpext float %x to double                ; <double> [#uses=1]
+  %call = tail call double @sqrt(double %conv) nounwind ; <double> [#uses=1]
+  %conv1 = fptrunc double %call to float          ; <float> [#uses=1]
+; CHECK: ret float
+  ret float %conv1
+}
+
+declare double @sqrt(double) readnone