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llvm-mirror/test/CodeGen/AMDGPU/fsqrt.f64.ll
Matt Arsenault 81a9bfe915 Enable FeatureFlatForGlobal on Volcanic Islands
This switches to the workaround that HSA defaults to
for the mesa path.

This should be applied to the 4.0 branch.

Patch by Vedran Miletić <vedran@miletic.net>

llvm-svn: 292982
2017-01-24 22:02:15 +00:00

27 lines
1.1 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
; FUNC-LABEL: {{^}}v_safe_fsqrt_f64:
; GCN: v_sqrt_f64_e32 {{v\[[0-9]+:[0-9]+\], v\[[0-9]+:[0-9]+\]}}
define void @v_safe_fsqrt_f64(double addrspace(1)* %out, double addrspace(1)* %in) #1 {
%r0 = load double, double addrspace(1)* %in
%r1 = call double @llvm.sqrt.f64(double %r0)
store double %r1, double addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}v_unsafe_fsqrt_f64:
; GCN: v_sqrt_f64_e32 {{v\[[0-9]+:[0-9]+\], v\[[0-9]+:[0-9]+\]}}
define void @v_unsafe_fsqrt_f64(double addrspace(1)* %out, double addrspace(1)* %in) #2 {
%r0 = load double, double addrspace(1)* %in
%r1 = call double @llvm.sqrt.f64(double %r0)
store double %r1, double addrspace(1)* %out
ret void
}
declare double @llvm.sqrt.f64(double %Val) #0
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind "unsafe-fp-math"="false" }
attributes #2 = { nounwind "unsafe-fp-math"="true" }