1; RUN: llc < %s -asm-verbose=false | FileCheck %s
2
3; DAGCombiner oddly folds casts into the rhs of copysign. Test that they get
4; unfolded.
5
6target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
7target triple = "wasm32-unknown-unknown"
8
9declare double @copysign(double, double) nounwind readnone
10declare float @copysignf(float, float) nounwind readnone
11
12; CHECK-LABEL: fold_promote:
13; CHECK: f64.promote/f32 $push0=, $1{{$}}
14; CHECK: f64.copysign    $push1=, $0, $pop0{{$}}
15define double @fold_promote(double %a, float %b) {
16  %c = fpext float %b to double
17  %t = call double @copysign(double %a, double %c)
18  ret double %t
19}
20
21; CHECK-LABEL: fold_demote:{{$}}
22; CHECK: f32.demote/f64  $push0=, $1{{$}}
23; CHECK: f32.copysign    $push1=, $0, $pop0{{$}}
24define float @fold_demote(float %a, double %b) {
25  %c = fptrunc double %b to float
26  %t = call float @copysignf(float %a, float %c)
27  ret float %t
28}
29