git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108640
91177308-0d34-0410-b5e6-
96231b3b80d8
--- /dev/null
+; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+target triple = "x86_64-apple-darwin10.0.0"
+
+define float @foo(float %x) nounwind readnone ssp {
+entry:
+; CHECK-NOT: cvtss2sd
+; CHECK-NOT: sqrtsd
+; CHECK-NOT: cvtsd2ss
+; CHECK: sqrtss
+ %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]
+ ret float %conv1
+}
+
+declare double @sqrt(double) readnone