1; RUN: llc < %s -asm-verbose=false -wasm-keep-registers | FileCheck %s 2 3; DAGCombiner oddly folds casts into the rhs of copysign. Test that they get 4; unfolded. 5 6target triple = "wasm32-unknown-unknown" 7 8declare double @copysign(double, double) nounwind readnone 9declare float @copysignf(float, float) nounwind readnone 10 11; CHECK-LABEL: fold_promote: 12; CHECK: f64.promote_f32 $push0=, $pop{{[0-9]+}}{{$}} 13; CHECK: f64.copysign $push1=, $pop{{[0-9]+}}, $pop0{{$}} 14define double @fold_promote(double %a, float %b) { 15 %c = fpext float %b to double 16 %t = call double @copysign(double %a, double %c) 17 ret double %t 18} 19 20; CHECK-LABEL: fold_demote:{{$}} 21; CHECK: f32.demote_f64 $push0=, $pop{{[0-9]+}}{{$}} 22; CHECK: f32.copysign $push1=, $pop{{[0-9]+}}, $pop0{{$}} 23define float @fold_demote(float %a, double %b) { 24 %c = fptrunc double %b to float 25 %t = call float @copysignf(float %a, float %c) 26 ret float %t 27} 28