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llvm-mirror/test/Transforms/InstCombine/2006-12-05-fp-to-int-ext.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

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445 B
LLVM

; RUN: opt < %s -instcombine -S | 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.
define i64 @test(double %D) {
%A = fptoui double %D to i32 ; <i32> [#uses=1]
%B = zext i32 %A to i64 ; <i64> [#uses=1]
ret i64 %B
}