llvm/test/CodeGen/R600/fsqrt.ll
Tom Stellard 513fc45629 R600/SI: Add fsqrt pattern for SI
Patch by: Niels Ole Salscheider

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186180 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-12 18:15:13 +00:00

25 lines
754 B
LLVM

; RUN: llc < %s -march=r600 -mcpu=tahiti | FileCheck %s
; CHECK: @fsqrt_f32
; CHECK: V_SQRT_F32_e32 {{VGPR[0-9]+, VGPR[0-9]+}}
define void @fsqrt_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
%r0 = load float addrspace(1)* %in
%r1 = call float @llvm.sqrt.f32(float %r0)
store float %r1, float addrspace(1)* %out
ret void
}
; CHECK: @fsqrt_f64
; CHECK: V_SQRT_F64_e32 {{VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+}}
define void @fsqrt_f64(double addrspace(1)* %out, double addrspace(1)* %in) {
%r0 = load double addrspace(1)* %in
%r1 = call double @llvm.sqrt.f64(double %r0)
store double %r1, double addrspace(1)* %out
ret void
}
declare float @llvm.sqrt.f32(float %Val)
declare double @llvm.sqrt.f64(double %Val)