llvm/test/CodeGen/AMDGPU/llvm.amdgcn.fract.ll
Matt Arsenault 17f22f98eb AMDGPU: Fold more custom nodes to undef
This will help sneak undefs past GVN into the DAG for
some tests.

Also add missing intrinsic for rsq_legacy, even though the node
was already selected to the instruction. Also start passing
the debug location to intrinsic errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273181 91177308-0d34-0410-b5e6-96231b3b80d8
2016-06-20 18:33:56 +00:00

35 lines
1.2 KiB
LLVM

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN %s
declare float @llvm.amdgcn.fract.f32(float) #0
declare double @llvm.amdgcn.fract.f64(double) #0
; GCN-LABEL: {{^}}v_fract_f32:
; GCN: v_fract_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}
define void @v_fract_f32(float addrspace(1)* %out, float %src) #1 {
%fract = call float @llvm.amdgcn.fract.f32(float %src)
store float %fract, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_fract_f64:
; GCN: v_fract_f64_e32 {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @v_fract_f64(double addrspace(1)* %out, double %src) #1 {
%fract = call double @llvm.amdgcn.fract.f64(double %src)
store double %fract, double addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}v_fract_undef_f32:
; GCN-NOT: v_fract_f32
; GCN-NOT: v0
; GCN: buffer_store_dword v0
define void @v_fract_undef_f32(float addrspace(1)* %out) #1 {
%fract = call float @llvm.amdgcn.fract.f32(float undef)
store float %fract, float addrspace(1)* %out
ret void
}
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }