; 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> , <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> , <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> ); ; 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> , <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> ); ; 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> , <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 }