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1; RUN: opt < %s -passes=instcombine -S | grep zext2 3; Never merge these two conversions, even though it's possible: this is4; significantly more expensive than the two conversions on some targets5; and it causes libgcc to be compile __fixunsdfdi into a recursive 6; function.7define i64 @test(double %D) {8 %A = fptoui double %D to i32 ; <i32> [#uses=1]9 %B = zext i32 %A to i64 ; <i64> [#uses=1]10 ret i64 %B11}12 13