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llvm-mirror/test/CodeGen/AMDGPU/fmuladd.ll
Matt Arsenault 7193bf43c5 AMDGPU: Add volatile to test loads and stores 
When the memory vectorizer is enabled, these tests break.
These tests don't really care about the memory instructions,
and it's easier to write check lines with the unmerged loads.

llvm-svn: 266071
2016-04-12 13:38:18 +00:00

200 lines
9.1 KiB
LLVM
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; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck %s
declare float @llvm.fmuladd.f32(float, float, float)
declare double @llvm.fmuladd.f64(double, double, double)
declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
declare float @llvm.fabs.f32(float) nounwind readnone
; CHECK-LABEL: {{^}}fmuladd_f32:
; CHECK: v_mac_f32_e32 {{v[0-9]+, v[0-9]+, v[0-9]+}}
define void @fmuladd_f32(float addrspace(1)* %out, float addrspace(1)* %in1,
float addrspace(1)* %in2, float addrspace(1)* %in3) {
%r0 = load float, float addrspace(1)* %in1
%r1 = load float, float addrspace(1)* %in2
%r2 = load float, float addrspace(1)* %in3
%r3 = tail call float @llvm.fmuladd.f32(float %r0, float %r1, float %r2)
store float %r3, float addrspace(1)* %out
ret void
}
; CHECK-LABEL: {{^}}fmuladd_f64:
; CHECK: v_fma_f64 {{v\[[0-9]+:[0-9]+\], v\[[0-9]+:[0-9]+\], v\[[0-9]+:[0-9]+\], v\[[0-9]+:[0-9]+\]}}
define void @fmuladd_f64(double addrspace(1)* %out, double addrspace(1)* %in1,
double addrspace(1)* %in2, double addrspace(1)* %in3) {
%r0 = load double, double addrspace(1)* %in1
%r1 = load double, double addrspace(1)* %in2
%r2 = load double, double addrspace(1)* %in3
%r3 = tail call double @llvm.fmuladd.f64(double %r0, double %r1, double %r2)
store double %r3, double addrspace(1)* %out
ret void
}
; CHECK-LABEL: {{^}}fmuladd_2.0_a_b_f32
; CHECK-DAG: buffer_load_dword [[R1:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; CHECK-DAG: buffer_load_dword [[R2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; CHECK: v_mac_f32_e32 [[R2]], 2.0, [[R1]]
; CHECK: buffer_store_dword [[R2]]
define void @fmuladd_2.0_a_b_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr float, float addrspace(1)* %out, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%gep.out = getelementptr float, float addrspace(1)* %out, i32 %tid
%r1 = load volatile float, float addrspace(1)* %gep.0
%r2 = load volatile float, float addrspace(1)* %gep.1
%r3 = tail call float @llvm.fmuladd.f32(float 2.0, float %r1, float %r2)
store float %r3, float addrspace(1)* %gep.out
ret void
}
; CHECK-LABEL: {{^}}fmuladd_a_2.0_b_f32
; CHECK-DAG: buffer_load_dword [[R1:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; CHECK-DAG: buffer_load_dword [[R2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; CHECK: v_mac_f32_e32 [[R2]], 2.0, [[R1]]
; CHECK: buffer_store_dword [[R2]]
define void @fmuladd_a_2.0_b_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr float, float addrspace(1)* %out, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%gep.out = getelementptr float, float addrspace(1)* %out, i32 %tid
%r1 = load volatile float, float addrspace(1)* %gep.0
%r2 = load volatile float, float addrspace(1)* %gep.1
%r3 = tail call float @llvm.fmuladd.f32(float %r1, float 2.0, float %r2)
store float %r3, float addrspace(1)* %gep.out
ret void
}
; CHECK-LABEL: {{^}}fadd_a_a_b_f32:
; CHECK-DAG: buffer_load_dword [[R1:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; CHECK-DAG: buffer_load_dword [[R2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; CHECK: v_mac_f32_e32 [[R2]], 2.0, [[R1]]
; CHECK: buffer_store_dword [[R2]]
define void @fadd_a_a_b_f32(float addrspace(1)* %out,
float addrspace(1)* %in1,
float addrspace(1)* %in2) {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr float, float addrspace(1)* %out, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%gep.out = getelementptr float, float addrspace(1)* %out, i32 %tid
%r0 = load volatile float, float addrspace(1)* %gep.0
%r1 = load volatile float, float addrspace(1)* %gep.1
%add.0 = fadd float %r0, %r0
%add.1 = fadd float %add.0, %r1
store float %add.1, float addrspace(1)* %out
ret void
}
; CHECK-LABEL: {{^}}fadd_b_a_a_f32:
; CHECK-DAG: buffer_load_dword [[R1:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; CHECK-DAG: buffer_load_dword [[R2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; CHECK: v_mac_f32_e32 [[R2]], 2.0, [[R1]]
; CHECK: buffer_store_dword [[R2]]
define void @fadd_b_a_a_f32(float addrspace(1)* %out,
float addrspace(1)* %in1,
float addrspace(1)* %in2) {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr float, float addrspace(1)* %out, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%gep.out = getelementptr float, float addrspace(1)* %out, i32 %tid
%r0 = load volatile float, float addrspace(1)* %gep.0
%r1 = load volatile float, float addrspace(1)* %gep.1
%add.0 = fadd float %r0, %r0
%add.1 = fadd float %r1, %add.0
store float %add.1, float addrspace(1)* %out
ret void
}
; CHECK-LABEL: {{^}}fmuladd_neg_2.0_a_b_f32
; CHECK-DAG: buffer_load_dword [[R1:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; CHECK-DAG: buffer_load_dword [[R2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; CHECK: v_mac_f32_e32 [[R2]], -2.0, [[R1]]
; CHECK: buffer_store_dword [[R2]]
define void @fmuladd_neg_2.0_a_b_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr float, float addrspace(1)* %out, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%gep.out = getelementptr float, float addrspace(1)* %out, i32 %tid
%r1 = load volatile float, float addrspace(1)* %gep.0
%r2 = load volatile float, float addrspace(1)* %gep.1
%r3 = tail call float @llvm.fmuladd.f32(float -2.0, float %r1, float %r2)
store float %r3, float addrspace(1)* %gep.out
ret void
}
; CHECK-LABEL: {{^}}fmuladd_neg_2.0_neg_a_b_f32
; CHECK-DAG: buffer_load_dword [[R1:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; CHECK-DAG: buffer_load_dword [[R2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; CHECK: v_mac_f32_e32 [[R2]], 2.0, [[R1]]
; CHECK: buffer_store_dword [[R2]]
define void @fmuladd_neg_2.0_neg_a_b_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr float, float addrspace(1)* %out, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%gep.out = getelementptr float, float addrspace(1)* %out, i32 %tid
%r1 = load volatile float, float addrspace(1)* %gep.0
%r2 = load volatile float, float addrspace(1)* %gep.1
%r1.fneg = fsub float -0.000000e+00, %r1
%r3 = tail call float @llvm.fmuladd.f32(float -2.0, float %r1.fneg, float %r2)
store float %r3, float addrspace(1)* %gep.out
ret void
}
; CHECK-LABEL: {{^}}fmuladd_2.0_neg_a_b_f32
; CHECK-DAG: buffer_load_dword [[R1:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; CHECK-DAG: buffer_load_dword [[R2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; CHECK: v_mac_f32_e32 [[R2]], -2.0, [[R1]]
; CHECK: buffer_store_dword [[R2]]
define void @fmuladd_2.0_neg_a_b_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr float, float addrspace(1)* %out, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%gep.out = getelementptr float, float addrspace(1)* %out, i32 %tid
%r1 = load volatile float, float addrspace(1)* %gep.0
%r2 = load volatile float, float addrspace(1)* %gep.1
%r1.fneg = fsub float -0.000000e+00, %r1
%r3 = tail call float @llvm.fmuladd.f32(float 2.0, float %r1.fneg, float %r2)
store float %r3, float addrspace(1)* %gep.out
ret void
}
; CHECK-LABEL: {{^}}fmuladd_2.0_a_neg_b_f32
; CHECK-DAG: buffer_load_dword [[R1:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
; CHECK-DAG: buffer_load_dword [[R2:v[0-9]+]], {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64 offset:4
; CHECK: v_mad_f32 [[RESULT:v[0-9]+]], 2.0, [[R1]], -[[R2]]
; CHECK: buffer_store_dword [[RESULT]]
define void @fmuladd_2.0_a_neg_b_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
%tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
%gep.0 = getelementptr float, float addrspace(1)* %out, i32 %tid
%gep.1 = getelementptr float, float addrspace(1)* %gep.0, i32 1
%gep.out = getelementptr float, float addrspace(1)* %out, i32 %tid
%r1 = load volatile float, float addrspace(1)* %gep.0
%r2 = load volatile float, float addrspace(1)* %gep.1
%r2.fneg = fsub float -0.000000e+00, %r2
%r3 = tail call float @llvm.fmuladd.f32(float 2.0, float %r1, float %r2.fneg)
store float %r3, float addrspace(1)* %gep.out
ret void
}
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