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; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; GCN-LABEL: {{^}}fold_mul_neg:
; GCN: load_dword [[V:v[0-9]+]]
; GCN: v_or_b32_e32 [[NEG:v[0-9]]], 0x80000000, [[V]]
; GCN: store_dword [[NEG]]
define amdgpu_kernel void @fold_mul_neg(ptr addrspace(1) %arg) {
%tid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds float, ptr addrspace(1) %arg, i32 %tid
%v = load float, ptr addrspace(1) %gep, align 4
%cmp = fcmp fast ogt float %v, 0.000000e+00
%sel = select i1 %cmp, float -1.000000e+00, float 1.000000e+00
%mul = fmul fast float %v, %sel
store float %mul, ptr addrspace(1) %gep, align 4
ret void
}
; GCN-LABEL: {{^}}fold_mul_abs:
; GCN: load_dword [[V:v[0-9]+]]
; GCN: v_and_b32_e32 [[ABS:v[0-9]]], 0x7fffffff, [[V]]
; GCN: store_dword [[ABS]]
define amdgpu_kernel void @fold_mul_abs(ptr addrspace(1) %arg) {
%tid = tail call i32 @llvm.amdgcn.workitem.id.x()
%gep = getelementptr inbounds float, ptr addrspace(1) %arg, i32 %tid
%v = load float, ptr addrspace(1) %gep, align 4
%cmp = fcmp fast olt float %v, 0.000000e+00
%sel = select i1 %cmp, float -1.000000e+00, float 1.000000e+00
%mul = fmul fast float %v, %sel
store float %mul, ptr addrspace(1) %gep, align 4
ret void
}
declare i32 @llvm.amdgcn.workitem.id.x() #0
attributes #0 = { nounwind readnone speculatable }
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