Files
clang-p2996/llvm/test/CodeGen/AMDGPU/fptrunc.ll
Matt Arsenault 7aad8fd8f4 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

58 lines
2.1 KiB
LLVM

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -enable-unsafe-fp-math -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN-UNSAFE %s
; FUNC-LABEL: {{^}}fptrunc_f64_to_f32:
; GCN: v_cvt_f32_f64_e32 {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}
define void @fptrunc_f64_to_f32(float addrspace(1)* %out, double %in) {
%result = fptrunc double %in to float
store float %result, float addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}fptrunc_f64_to_f16:
; GCN-NOT: v_cvt
; GCN-UNSAFE: v_cvt_f32_f64_e32 [[F32:v[0-9]+]]
; GCN-UNSAFE: v_cvt_f16_f32_e32 v{{[0-9]+}}, [[F32]]
define void @fptrunc_f64_to_f16(i16 addrspace(1)* %out, double %in) {
%result = fptrunc double %in to half
%result_i16 = bitcast half %result to i16
store i16 %result_i16, i16 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}fptrunc_v2f64_to_v2f32:
; GCN: v_cvt_f32_f64_e32
; GCN: v_cvt_f32_f64_e32
define void @fptrunc_v2f64_to_v2f32(<2 x float> addrspace(1)* %out, <2 x double> %in) {
%result = fptrunc <2 x double> %in to <2 x float>
store <2 x float> %result, <2 x float> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}fptrunc_v4f64_to_v4f32:
; GCN: v_cvt_f32_f64_e32
; GCN: v_cvt_f32_f64_e32
; GCN: v_cvt_f32_f64_e32
; GCN: v_cvt_f32_f64_e32
define void @fptrunc_v4f64_to_v4f32(<4 x float> addrspace(1)* %out, <4 x double> %in) {
%result = fptrunc <4 x double> %in to <4 x float>
store <4 x float> %result, <4 x float> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}fptrunc_v8f64_to_v8f32:
; GCN: v_cvt_f32_f64_e32
; GCN: v_cvt_f32_f64_e32
; GCN: v_cvt_f32_f64_e32
; GCN: v_cvt_f32_f64_e32
; GCN: v_cvt_f32_f64_e32
; GCN: v_cvt_f32_f64_e32
; GCN: v_cvt_f32_f64_e32
; GCN: v_cvt_f32_f64_e32
define void @fptrunc_v8f64_to_v8f32(<8 x float> addrspace(1)* %out, <8 x double> %in) {
%result = fptrunc <8 x double> %in to <8 x float>
store <8 x float> %result, <8 x float> addrspace(1)* %out
ret void
}