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fix PR6940: sitofp(undef) folds to 0.0, not undef.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102358 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-04-26 18:21:23 +00:00
parent 095539f97c
commit 8581c260d3
2 changed files with 15 additions and 2 deletions
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test/Transforms/SCCP/undef-resolve.ll
+13 -2
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@@ -1,8 +1,19 @@
; RUN: opt %s -sccp -S | FileCheck %s
; PR6940
define double @test1() {
%t = sitofp i32 undef to double
ret double %t
; CHECK: @test1
; CHECK: ret double 0.0
}
; rdar://7832370
; Check that lots of stuff doesn't get turned into undef.
define i32 @main() nounwind readnone ssp {
define i32 @test2() nounwind readnone ssp {
; CHECK: @test2
init:
br label %control.outer.outer