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13 lines
463 B
LLVM
13 lines
463 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep zext
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; Never merge these two conversions, even though it's possible: this is
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; significantly more expensive than the two conversions on some targets
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; and it causes libgcc to be compile __fixunsdfdi into a recursive
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; function.
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define i64 @test(double %D) {
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%A = fptoui double %D to i32 ; <i32> [#uses=1]
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%B = zext i32 %A to i64 ; <i64> [#uses=1]
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ret i64 %B
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}
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