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1; RUN: llc < %s -asm-verbose=false -wasm-keep-registers | FileCheck %s2 3; DAGCombiner oddly folds casts into the rhs of copysign. Test that they get4; unfolded.5 6target triple = "wasm32-unknown-unknown"7 8declare double @copysign(double, double) nounwind readnone9declare float @copysignf(float, float) nounwind readnone10 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 double16 %t = call double @copysign(double %a, double %c)17 ret double %t18}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 float25 %t = call float @copysignf(float %a, float %c)26 ret float %t27}28