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Add a testcase for r108639.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108640 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2010-07-18 08:57:19 +00:00
parent 3ecdfafe3b
commit fd73c9162e
1 changed files with 17 additions and 0 deletions
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test/CodeGen/X86/2010-07-18-sqrt.ll Normal file
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; 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