| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6 |
| ; RUN: opt < %s -passes=gvn -S | FileCheck %s |
| |
| declare void @llvm.masked.scatter.v2i32.v2p0(<2 x i32> , <2 x ptr> , i32 , <2 x i1> ) |
| declare <2 x i32> @llvm.masked.gather.v2i32.v2p0(<2 x ptr>, i32, <2 x i1>, <2 x i32>) |
| |
| ; This test ensures that masked scatter and gather operations, which take vectors of pointers, |
| ; do not have pointer aliasing ignored when being processed. |
| ; No scatter/gather calls should end up eliminated. |
| |
| define spir_kernel void @test(<2 x ptr> %in1, <2 x ptr> %in2, ptr %out) { |
| ; CHECK-LABEL: define spir_kernel void @test( |
| ; CHECK-SAME: <2 x ptr> [[IN1:%.*]], <2 x ptr> [[IN2:%.*]], ptr [[OUT:%.*]]) { |
| ; CHECK-NEXT: [[ENTRY:.*:]] |
| ; CHECK-NEXT: [[TMP_0:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[TMP_1:%.*]] = alloca i32, align 4 |
| ; CHECK-NEXT: [[TMP_I:%.*]] = insertelement <2 x ptr> undef, ptr [[TMP_0]], i32 0 |
| ; CHECK-NEXT: [[TMP:%.*]] = insertelement <2 x ptr> [[TMP_I]], ptr [[TMP_1]], i32 1 |
| ; CHECK-NEXT: [[IN1_V:%.*]] = call <2 x i32> @llvm.masked.gather.v2i32.v2p0(<2 x ptr> align 1 [[IN1]], <2 x i1> splat (i1 true), <2 x i32> undef) |
| ; CHECK-NEXT: [[IN2_V:%.*]] = call <2 x i32> @llvm.masked.gather.v2i32.v2p0(<2 x ptr> align 1 [[IN2]], <2 x i1> splat (i1 true), <2 x i32> undef) |
| ; CHECK-NEXT: call void @llvm.masked.scatter.v2i32.v2p0(<2 x i32> [[IN1_V]], <2 x ptr> align 1 [[TMP]], <2 x i1> splat (i1 true)) |
| ; CHECK-NEXT: [[TMP_V_0:%.*]] = call <2 x i32> @llvm.masked.gather.v2i32.v2p0(<2 x ptr> align 1 [[TMP]], <2 x i1> splat (i1 true), <2 x i32> undef) |
| ; CHECK-NEXT: call void @llvm.masked.scatter.v2i32.v2p0(<2 x i32> [[IN2_V]], <2 x ptr> align 1 [[TMP]], <2 x i1> splat (i1 true)) |
| ; CHECK-NEXT: [[TMP_V_1:%.*]] = call <2 x i32> @llvm.masked.gather.v2i32.v2p0(<2 x ptr> align 1 [[TMP]], <2 x i1> splat (i1 true), <2 x i32> undef) |
| ; CHECK-NEXT: [[TMP_V_1_0:%.*]] = extractelement <2 x i32> [[TMP_V_1]], i32 0 |
| ; CHECK-NEXT: [[TMP_V_1_1:%.*]] = extractelement <2 x i32> [[TMP_V_1]], i32 1 |
| ; CHECK-NEXT: store i32 [[TMP_V_1_0]], ptr [[OUT]], align 4 |
| ; CHECK-NEXT: [[OUT_1:%.*]] = getelementptr i32, ptr [[OUT]], i32 1 |
| ; CHECK-NEXT: store i32 [[TMP_V_1_1]], ptr [[OUT_1]], align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| ; Just some temporary storage |
| %tmp.0 = alloca i32 |
| %tmp.1 = alloca i32 |
| %tmp.i = insertelement <2 x ptr> undef, ptr %tmp.0, i32 0 |
| %tmp = insertelement <2 x ptr> %tmp.i, ptr %tmp.1, i32 1 |
| ; Read from in1 and in2 |
| %in1.v = call <2 x i32> @llvm.masked.gather.v2i32.v2p0(<2 x ptr> %in1, i32 1, <2 x i1> <i1 true, i1 true>, <2 x i32> undef) #1 |
| %in2.v = call <2 x i32> @llvm.masked.gather.v2i32.v2p0(<2 x ptr> %in2, i32 1, <2 x i1> <i1 true, i1 true>, <2 x i32> undef) #1 |
| ; Store in1 to the allocas |
| call void @llvm.masked.scatter.v2i32.v2p0(<2 x i32> %in1.v, <2 x ptr> %tmp, i32 1, <2 x i1> <i1 true, i1 true>); |
| ; Read in1 from the allocas |
| ; This gather should alias the scatter we just saw |
| %tmp.v.0 = call <2 x i32> @llvm.masked.gather.v2i32.v2p0(<2 x ptr> %tmp, i32 1, <2 x i1> <i1 true, i1 true>, <2 x i32> undef) #1 |
| ; Store in2 to the allocas |
| call void @llvm.masked.scatter.v2i32.v2p0(<2 x i32> %in2.v, <2 x ptr> %tmp, i32 1, <2 x i1> <i1 true, i1 true>); |
| ; Read in2 from the allocas |
| ; This gather should alias the scatter we just saw, and not be eliminated |
| %tmp.v.1 = call <2 x i32> @llvm.masked.gather.v2i32.v2p0(<2 x ptr> %tmp, i32 1, <2 x i1> <i1 true, i1 true>, <2 x i32> undef) #1 |
| ; Store in2 to out for good measure |
| %tmp.v.1.0 = extractelement <2 x i32> %tmp.v.1, i32 0 |
| %tmp.v.1.1 = extractelement <2 x i32> %tmp.v.1, i32 1 |
| store i32 %tmp.v.1.0, ptr %out |
| %out.1 = getelementptr i32, ptr %out, i32 1 |
| store i32 %tmp.v.1.1, ptr %out.1 |
| ret void |
| } |
