1; RUN: opt < %s -instcombine -S | grep zext 2 3; Never merge these two conversions, even though it's possible: this is 4; significantly more expensive than the two conversions on some targets 5; 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 %B 11} 12 13