llvm-6502/test/Transforms/InstCombine/2006-12-05-fp-to-int-ext.ll
Chris Lattner 9faab9bd93 Instcombine shouldn't fold these casts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32243 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-05 23:43:20 +00:00

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LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep zext
; Never merge these two conversions, even though it's possible: this is
; significantly more expensive than the two conversions on some targets
; and it causes libgcc to be compile __fixunsdfdi into a recursive
; function.
long %test(double %D) {
%A = fptoui double %D to uint
%B = zext uint %A to long
ret long %B
}