remove undef test

Author: PankajDwivedi-25

llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp

@@ -476,7 +476,7 @@ static cl::opt<bool> HasClosedWorldAssumption(
     "amdgpu-link-time-closed-world",
     cl::desc("Whether has closed-world assumption at link time"),
     cl::init(false), cl::Hidden);
-    
+
 static cl::opt<bool> EnableUniformIntrinsicCombine(
     "amdgpu-enable-uniform-intrinsic-combine",
     cl::desc("Enable/Disable the Uniform Intrinsic Combine Pass"),

llvm/test/CodeGen/AMDGPU/amdgpu-uniform-intrinsic-combine.ll

@@ -19,23 +19,6 @@ define amdgpu_kernel void @permlane64_constant(ptr addrspace(1) %out) {
   ret void
 }
 
-define amdgpu_kernel void @permlane64_undef(ptr addrspace(1) %out) {
-; PASS-CHECK-LABEL: define amdgpu_kernel void @permlane64_undef(
-; PASS-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]]) #[[ATTR0]] {
-; PASS-CHECK-NEXT:    [[V:%.*]] = call i32 @llvm.amdgcn.permlane64.i32(i32 undef)
-; PASS-CHECK-NEXT:    store i32 undef, ptr addrspace(1) [[OUT]], align 4
-; PASS-CHECK-NEXT:    ret void
-;
-; DCE-CHECK-LABEL: define amdgpu_kernel void @permlane64_undef(
-; DCE-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]]) #[[ATTR0]] {
-; DCE-CHECK-NEXT:    store i32 undef, ptr addrspace(1) [[OUT]], align 4
-; DCE-CHECK-NEXT:    ret void
-;
-  %v = call i32 @llvm.amdgcn.permlane64(i32 undef)
-  store i32 %v, ptr addrspace(1) %out
-  ret void
-}
-
 define amdgpu_kernel void @permlane64_uniform(ptr addrspace(1) %out, i32 %src) {
 ; PASS-CHECK-LABEL: define amdgpu_kernel void @permlane64_uniform(
 ; PASS-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]], i32 [[SRC:%.*]]) #[[ATTR0]] {
@@ -121,23 +104,6 @@ define amdgpu_kernel void @readlane_constant(ptr addrspace(1) %out) {
   ret void
 }
 
-define amdgpu_kernel void @readlane_undef(ptr addrspace(1) %out) {
-; PASS-CHECK-LABEL: define amdgpu_kernel void @readlane_undef(
-; PASS-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]]) #[[ATTR0]] {
-; PASS-CHECK-NEXT:    [[V:%.*]] = call i32 @llvm.amdgcn.readlane.i32(i32 undef, i32 undef)
-; PASS-CHECK-NEXT:    store i32 undef, ptr addrspace(1) [[OUT]], align 4
-; PASS-CHECK-NEXT:    ret void
-;
-; DCE-CHECK-LABEL: define amdgpu_kernel void @readlane_undef(
-; DCE-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]]) #[[ATTR0]] {
-; DCE-CHECK-NEXT:    store i32 undef, ptr addrspace(1) [[OUT]], align 4
-; DCE-CHECK-NEXT:    ret void
-;
-  %v = call i32 @llvm.amdgcn.readlane(i32 undef, i32 undef)
-  store i32 %v, ptr addrspace(1) %out
-  ret void
-}
-
 define amdgpu_kernel void @readlane_nonuniform_indices(ptr addrspace(1) %out, i32 %src0, i32 %src1) {
 ; PASS-CHECK-LABEL: define amdgpu_kernel void @readlane_nonuniform_indices(
 ; PASS-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]], i32 [[SRC0:%.*]], i32 [[SRC1:%.*]]) #[[ATTR0]] {
@@ -232,23 +198,6 @@ define amdgpu_kernel void @readfirstlane_constant(ptr addrspace(1) %out) {
   ret void
 }
 
-define amdgpu_kernel void @readfirstlane_undef(ptr addrspace(1) %out) {
-; PASS-CHECK-LABEL: define amdgpu_kernel void @readfirstlane_undef(
-; PASS-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]]) #[[ATTR0]] {
-; PASS-CHECK-NEXT:    [[V:%.*]] = call i32 @llvm.amdgcn.readfirstlane.i32(i32 undef)
-; PASS-CHECK-NEXT:    store i32 undef, ptr addrspace(1) [[OUT]], align 4
-; PASS-CHECK-NEXT:    ret void
-;
-; DCE-CHECK-LABEL: define amdgpu_kernel void @readfirstlane_undef(
-; DCE-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]]) #[[ATTR0]] {
-; DCE-CHECK-NEXT:    store i32 undef, ptr addrspace(1) [[OUT]], align 4
-; DCE-CHECK-NEXT:    ret void
-;
-  %v = call i32 @llvm.amdgcn.readfirstlane(i32 undef)
-  store i32 %v, ptr addrspace(1) %out
-  ret void
-}
-
 define amdgpu_kernel void @readfirstlane_with_argument(ptr addrspace(1) %out, i32 %src0) {
 ; PASS-CHECK-LABEL: define amdgpu_kernel void @readfirstlane_with_argument(
 ; PASS-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]], i32 [[SRC0:%.*]]) #[[ATTR0]] {
@@ -478,23 +427,6 @@ define amdgpu_kernel void @readfirstlane_random(ptr addrspace(1) %out) {
   ret void
 }
 
-define amdgpu_kernel void @permlane64_invalid(ptr addrspace(1) %out) {
-; PASS-CHECK-LABEL: define amdgpu_kernel void @permlane64_invalid(
-; PASS-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]]) #[[ATTR0]] {
-; PASS-CHECK-NEXT:    [[UNDEF_V:%.*]] = call i32 @llvm.amdgcn.permlane64.i32(i32 undef)
-; PASS-CHECK-NEXT:    store i32 undef, ptr addrspace(1) [[OUT]], align 4
-; PASS-CHECK-NEXT:    ret void
-;
-; DCE-CHECK-LABEL: define amdgpu_kernel void @permlane64_invalid(
-; DCE-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]]) #[[ATTR0]] {
-; DCE-CHECK-NEXT:    store i32 undef, ptr addrspace(1) [[OUT]], align 4
-; DCE-CHECK-NEXT:    ret void
-;
-  %undef_v = call i32 @llvm.amdgcn.permlane64(i32 undef)
-  store i32 %undef_v, ptr addrspace(1) %out
-  ret void
-}
-
 define amdgpu_kernel void @readlane_expression(ptr addrspace(1) %out) {
 ; PASS-CHECK-LABEL: define amdgpu_kernel void @readlane_expression(
 ; PASS-CHECK-SAME: ptr addrspace(1) [[OUT:%.*]]) #[[ATTR0]] {