Vendor import of llvm trunk r307894:vendor/llvm/llvm-trunk-r307894

https://llvm.org/svn/llvm-project/llvm/trunk@307894

1 files changed, 487 insertions, 0 deletions

diff --git a/test/CodeGen/AMDGPU/fcanonicalize-elimination.ll b/test/CodeGen/AMDGPU/fcanonicalize-elimination.ll
new file mode 100644
index 000000000000..5383bbe71ae3
--- /dev/null
+++ b/test/CodeGen/AMDGPU/fcanonicalize-elimination.ll
@@ -0,0 +1,487 @@
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -mattr=-fp32-denormals < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=GCN-FLUSH %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -mattr=-fp32-denormals,+fp-exceptions < %s | FileCheck -check-prefix=GCN -check-prefix=GCN-EXCEPT -check-prefix=VI -check-prefix=GCN-FLUSH %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -verify-machineinstrs -mattr=+fp32-denormals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=GFX9-DENORM %s
+; RUN: llc -march=amdgcn -mcpu=gfx901 -verify-machineinstrs -mattr=-fp32-denormals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=GCN-FLUSH %s
+
+; GCN-LABEL: {{^}}test_no_fold_canonicalize_loaded_value_f32:
+; GCN: v_mul_f32_e32 v{{[0-9]+}}, 1.0, v{{[0-9]+}}
+define amdgpu_kernel void @test_no_fold_canonicalize_loaded_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %v = load float, float addrspace(1)* %gep, align 4
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_fmul_value_f32:
+; GCN: v_mul_f32_e32 [[V:v[0-9]+]], 0x41700000, v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_fmul_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = fmul float %load, 15.0
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_sub_value_f32:
+; GCN: v_sub_f32_e32 [[V:v[0-9]+]], 0x41700000, v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_sub_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = fsub float 15.0, %load
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_add_value_f32:
+; GCN: v_add_f32_e32 [[V:v[0-9]+]], 0x41700000, v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_add_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = fadd float %load, 15.0
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_sqrt_value_f32:
+; GCN: v_sqrt_f32_e32 [[V:v[0-9]+]], v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_sqrt_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = call float @llvm.sqrt.f32(float %load)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_fceil_value_f32:
+; GCN: v_ceil_f32_e32 [[V:v[0-9]+]], v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_fceil_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = call float @llvm.ceil.f32(float %load)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_floor_value_f32:
+; GCN: v_floor_f32_e32 [[V:v[0-9]+]], v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_floor_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = call float @llvm.floor.f32(float %load)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_fma_value_f32:
+; GCN: v_fma_f32 [[V:v[0-9]+]], v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_fma_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = call float @llvm.fma.f32(float %load, float 15.0, float 15.0)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_fmuladd_value_f32:
+; GCN-FLUSH: v_mac_f32_e32 [[V:v[0-9]+]], v{{[0-9]+}}, v{{[0-9]+}}
+; GFX9-DENORM: v_fma_f32 [[V:v[0-9]+]], v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_fmuladd_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = call float @llvm.fmuladd.f32(float %load, float 15.0, float 15.0)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_canonicalize_value_f32:
+; GCN: flat_load_dword [[LOAD:v[0-9]+]],
+; GCN: v_mul_f32_e32 [[V:v[0-9]+]], 1.0, [[LOAD]]
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_canonicalize_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = call float @llvm.canonicalize.f32(float %load)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_fpextend_value_f64_f32:
+; GCN: v_cvt_f64_f32_e32 [[V:v\[[0-9]+:[0-9]+\]]], v{{[0-9]+}}
+; GCN: flat_store_dwordx2 v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_fpextend_value_f64_f32(float addrspace(1)* %arg, double addrspace(1)* %out) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = fpext float %load to double
+  %canonicalized = tail call double @llvm.canonicalize.f64(double %v)
+  %gep2 = getelementptr inbounds double, double addrspace(1)* %out, i32 %id
+  store double %canonicalized, double addrspace(1)* %gep2, align 8
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_fpextend_value_f32_f16:
+; GCN: v_cvt_f32_f16_e32 [[V:v[0-9]+]], v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_fpextend_value_f32_f16(half addrspace(1)* %arg, float addrspace(1)* %out) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds half, half addrspace(1)* %arg, i32 %id
+  %load = load half, half addrspace(1)* %gep, align 2
+  %v = fpext half %load to float
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  %gep2 = getelementptr inbounds float, float addrspace(1)* %out, i32 %id
+  store float %canonicalized, float addrspace(1)* %gep2, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_fpround_value_f32_f64:
+; GCN: v_cvt_f32_f64_e32 [[V:v[0-9]+]], v[{{[0-9:]+}}]
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_fpround_value_f32_f64(double addrspace(1)* %arg, float addrspace(1)* %out) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds double, double addrspace(1)* %arg, i32 %id
+  %load = load double, double addrspace(1)* %gep, align 8
+  %v = fptrunc double %load to float
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  %gep2 = getelementptr inbounds float, float addrspace(1)* %out, i32 %id
+  store float %canonicalized, float addrspace(1)* %gep2, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_fpround_value_f16_f32:
+; GCN: v_cvt_f16_f32_e32 [[V:v[0-9]+]], v{{[0-9]+}}
+; GCN: flat_store_short v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_fpround_value_f16_f32(float addrspace(1)* %arg, half addrspace(1)* %out) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = fptrunc float %load to half
+  %canonicalized = tail call half @llvm.canonicalize.f16(half %v)
+  %gep2 = getelementptr inbounds half, half addrspace(1)* %out, i32 %id
+  store half %canonicalized, half addrspace(1)* %gep2, align 2
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_fpround_value_v2f16_v2f32:
+; GCN-DAG: v_cvt_f16_f32_e32 [[V0:v[0-9]+]], v{{[0-9]+}}
+; VI-DAG: v_cvt_f16_f32_sdwa [[V1:v[0-9]+]], v{{[0-9]+}}
+; VI: v_or_b32_e32 [[V:v[0-9]+]], [[V0]], [[V1]]
+; GFX9: v_cvt_f16_f32_e32 [[V1:v[0-9]+]], v{{[0-9]+}}
+; GFX9: v_and_b32_e32 [[V0_16:v[0-9]+]], 0xffff, [[V0]]
+; GFX9: v_lshl_or_b32 [[V:v[0-9]+]], [[V1]], 16, [[V0_16]]
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_fpround_value_v2f16_v2f32(<2 x float> addrspace(1)* %arg, <2 x half> addrspace(1)* %out) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds <2 x float>, <2 x float> addrspace(1)* %arg, i32 %id
+  %load = load <2 x float>, <2 x float> addrspace(1)* %gep, align 8
+  %v = fptrunc <2 x float> %load to <2 x half>
+  %canonicalized = tail call <2 x half> @llvm.canonicalize.v2f16(<2 x half> %v)
+  %gep2 = getelementptr inbounds <2 x half>, <2 x half> addrspace(1)* %out, i32 %id
+  store <2 x half> %canonicalized, <2 x half> addrspace(1)* %gep2, align 4
+  ret void
+}
+
+; GCN-LABEL: test_no_fold_canonicalize_fneg_value_f32:
+; GCN: v_mul_f32_e64 v{{[0-9]+}}, 1.0, -v{{[0-9]+}}
+define amdgpu_kernel void @test_no_fold_canonicalize_fneg_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = fsub float -0.0, %load
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_fneg_value_f32:
+; GCN: v_xor_b32_e32 [[V:v[0-9]+]], 0x80000000, v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_fneg_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v0 = fadd float %load, 0.0
+  %v = fsub float -0.0, %v0
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_no_fold_canonicalize_fabs_value_f32:
+; GCN: v_mul_f32_e64 v{{[0-9]+}}, 1.0, |v{{[0-9]+}}|
+define amdgpu_kernel void @test_no_fold_canonicalize_fabs_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = tail call float @llvm.fabs.f32(float %load)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_fabs_value_f32:
+; GCN: v_and_b32_e32 [[V:v[0-9]+]], 0x7fffffff, v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_fabs_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v0 = fadd float %load, 0.0
+  %v = tail call float @llvm.fabs.f32(float %v0)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_sin_value_f32:
+; GCN: v_sin_f32_e32 [[V:v[0-9]+]], v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_sin_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = tail call float @llvm.sin.f32(float %load)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_cos_value_f32:
+; GCN: v_cos_f32_e32 [[V:v[0-9]+]], v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_cos_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = tail call float @llvm.cos.f32(float %load)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_sin_value_f16:
+; GCN: v_sin_f32_e32 [[V0:v[0-9]+]], v{{[0-9]+}}
+; GCN: v_cvt_f16_f32_e32 [[V:v[0-9]+]], [[V0]]
+; GCN: flat_store_short v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_sin_value_f16(half addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds half, half addrspace(1)* %arg, i32 %id
+  %load = load half, half addrspace(1)* %gep, align 2
+  %v = tail call half @llvm.sin.f16(half %load)
+  %canonicalized = tail call half @llvm.canonicalize.f16(half %v)
+  store half %canonicalized, half addrspace(1)* %gep, align 2
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_cos_value_f16:
+; GCN: v_cos_f32_e32 [[V0:v[0-9]+]], v{{[0-9]+}}
+; GCN: v_cvt_f16_f32_e32 [[V:v[0-9]+]], [[V0]]
+; GCN: flat_store_short v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_cos_value_f16(half addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds half, half addrspace(1)* %arg, i32 %id
+  %load = load half, half addrspace(1)* %gep, align 2
+  %v = tail call half @llvm.cos.f16(half %load)
+  %canonicalized = tail call half @llvm.canonicalize.f16(half %v)
+  store half %canonicalized, half addrspace(1)* %gep, align 2
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_qNaN_value_f32:
+; GCN: v_mov_b32_e32 [[V:v[0-9]+]], 0x7fc00000
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_qNaN_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %canonicalized = tail call float @llvm.canonicalize.f32(float 0x7FF8000000000000)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_minnum_value_from_load_f32:
+; GCN: v_mul_f32_e32 v{{[0-9]+}}, 1.0, v{{[0-9]+}}
+define amdgpu_kernel void @test_fold_canonicalize_minnum_value_from_load_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = tail call float @llvm.minnum.f32(float %load, float 0.0)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_minnum_value_f32:
+; GCN: v_min_f32_e32 [[V:v[0-9]+]], 0, v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_minnum_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v0 = fadd float %load, 0.0
+  %v = tail call float @llvm.minnum.f32(float %v0, float 0.0)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_sNaN_value_f32:
+; GCN:  v_min_f32_e32 [[V0:v[0-9]+]], 0x7f800001, v{{[0-9]+}}
+; GCN:  v_mul_f32_e32 v{{[0-9]+}}, 1.0, [[V0]]
+; GCN:  flat_store_dword v[{{[0-9:]+}}], [[V]]
+define amdgpu_kernel void @test_fold_canonicalize_sNaN_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = tail call float @llvm.minnum.f32(float %load, float bitcast (i32 2139095041 to float))
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_denorm_value_f32:
+; GCN:  v_min_f32_e32 [[V0:v[0-9]+]], 0x7fffff, v{{[0-9]+}}
+; GCN:  v_mul_f32_e32 v{{[0-9]+}}, 1.0, [[V0]]
+; GCN:  flat_store_dword v[{{[0-9:]+}}], [[V]]
+define amdgpu_kernel void @test_fold_canonicalize_denorm_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = tail call float @llvm.minnum.f32(float %load, float bitcast (i32 8388607 to float))
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_maxnum_value_from_load_f32:
+; GCN:  v_max_f32_e32 [[V0:v[0-9]+]], 0, v{{[0-9]+}}
+; GCN:  v_mul_f32_e32 v{{[0-9]+}}, 1.0, [[V0]]
+; GCN:  flat_store_dword v[{{[0-9:]+}}], [[V]]
+define amdgpu_kernel void @test_fold_canonicalize_maxnum_value_from_load_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v = tail call float @llvm.maxnum.f32(float %load, float 0.0)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_maxnum_value_f32:
+; GCN: v_max_f32_e32 [[V:v[0-9]+]], 0, v{{[0-9]+}}
+; GCN: flat_store_dword v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_maxnum_value_f32(float addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds float, float addrspace(1)* %arg, i32 %id
+  %load = load float, float addrspace(1)* %gep, align 4
+  %v0 = fadd float %load, 0.0
+  %v = tail call float @llvm.maxnum.f32(float %v0, float 0.0)
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  store float %canonicalized, float addrspace(1)* %gep, align 4
+  ret void
+}
+
+; GCN-LABEL: test_fold_canonicalize_maxnum_value_f64:
+; GCN: v_max_f64 [[V:v\[[0-9]+:[0-9]+\]]], v[{{[0-9:]+}}], 0
+; GCN: flat_store_dwordx2 v[{{[0-9:]+}}], [[V]]
+; GCN-NOT: 1.0
+define amdgpu_kernel void @test_fold_canonicalize_maxnum_value_f64(double addrspace(1)* %arg) {
+  %id = tail call i32 @llvm.amdgcn.workitem.id.x()
+  %gep = getelementptr inbounds double, double addrspace(1)* %arg, i32 %id
+  %load = load double, double addrspace(1)* %gep, align 8
+  %v0 = fadd double %load, 0.0
+  %v = tail call double @llvm.maxnum.f64(double %v0, double 0.0)
+  %canonicalized = tail call double @llvm.canonicalize.f64(double %v)
+  store double %canonicalized, double addrspace(1)* %gep, align 8
+  ret void
+}
+
+; GCN-LABEL: test_no_fold_canonicalize_fmul_value_f32_no_ieee:
+; GCN-EXCEPT: v_mul_f32_e32 v{{[0-9]+}}, 1.0, v{{[0-9]+}}
+define amdgpu_ps float @test_no_fold_canonicalize_fmul_value_f32_no_ieee(float %arg) {
+entry:
+  %v = fmul float %arg, 15.0
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  ret float %canonicalized
+}
+
+; GCN-LABEL: test_fold_canonicalize_fmul_nnan_value_f32_no_ieee:
+; GCN: v_mul_f32_e32 [[V:v[0-9]+]], 0x41700000, v{{[0-9]+}}
+; GCN-NEXT: ; return
+; GCN-NOT: 1.0
+define amdgpu_ps float @test_fold_canonicalize_fmul_nnan_value_f32_no_ieee(float %arg) {
+entry:
+  %v = fmul nnan float %arg, 15.0
+  %canonicalized = tail call float @llvm.canonicalize.f32(float %v)
+  ret float %canonicalized
+}
+
+declare float @llvm.canonicalize.f32(float) #0
+declare double @llvm.canonicalize.f64(double) #0
+declare half @llvm.canonicalize.f16(half) #0
+declare <2 x half> @llvm.canonicalize.v2f16(<2 x half>) #0
+declare i32 @llvm.amdgcn.workitem.id.x() #0
+declare float @llvm.sqrt.f32(float) #0
+declare float @llvm.ceil.f32(float) #0
+declare float @llvm.floor.f32(float) #0
+declare float @llvm.fma.f32(float, float, float) #0
+declare float @llvm.fmuladd.f32(float, float, float) #0
+declare float @llvm.fabs.f32(float) #0
+declare float @llvm.sin.f32(float) #0
+declare float @llvm.cos.f32(float) #0
+declare half @llvm.sin.f16(half) #0
+declare half @llvm.cos.f16(half) #0
+declare float @llvm.minnum.f32(float, float) #0
+declare float @llvm.maxnum.f32(float, float) #0
+declare double @llvm.maxnum.f64(double, double) #0
+
+attributes #0 = { nounwind readnone }