| ; RUN: llvm-upgrade < %s | llvm-as | 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 | |
| } |