1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
3 ; RUN: opt < %s -passes=newgvn -S | FileCheck %s
5 declare void @llvm.masked.scatter.v2i32.v2p0(<2 x i32> , <2 x ptr> , i32 , <2 x i1> )
6 declare <2 x i32> @llvm.masked.gather.v2i32.v2p0(<2 x ptr>, i32, <2 x i1>, <2 x i32>)
8 ; This test ensures that masked scatter and gather operations, which take vectors of pointers,
9 ; do not have pointer aliasing ignored when being processed.
10 ; No scatter/gather calls should end up eliminated
11 ; CHECK: llvm.masked.gather
12 ; CHECK: llvm.masked.gather
13 ; CHECK: llvm.masked.scatter
14 ; CHECK: llvm.masked.gather
15 ; CHECK: llvm.masked.scatter
16 ; CHECK: llvm.masked.gather
17 define spir_kernel void @test(<2 x ptr> %in1, <2 x ptr> %in2, ptr %out) {
18 ; CHECK-LABEL: define spir_kernel void @test(
19 ; CHECK-SAME: <2 x ptr> [[IN1:%.*]], <2 x ptr> [[IN2:%.*]], ptr [[OUT:%.*]]) {
21 ; CHECK-NEXT: [[TMP_0:%.*]] = alloca i32, align 4
22 ; CHECK-NEXT: [[TMP_1:%.*]] = alloca i32, align 4
23 ; CHECK-NEXT: [[TMP_I:%.*]] = insertelement <2 x ptr> poison, ptr [[TMP_0]], i32 0
24 ; CHECK-NEXT: [[TMP:%.*]] = insertelement <2 x ptr> [[TMP_I]], ptr [[TMP_1]], i32 1
25 ; CHECK-NEXT: [[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)
26 ; CHECK-NEXT: [[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)
27 ; CHECK-NEXT: 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>)
28 ; CHECK-NEXT: 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>)
29 ; CHECK-NEXT: [[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)
30 ; CHECK-NEXT: [[TMP_V_1_0:%.*]] = extractelement <2 x i32> [[TMP_V_1]], i32 0
31 ; CHECK-NEXT: [[TMP_V_1_1:%.*]] = extractelement <2 x i32> [[TMP_V_1]], i32 1
32 ; CHECK-NEXT: store i32 [[TMP_V_1_0]], ptr [[OUT]], align 4
33 ; CHECK-NEXT: [[OUT_1:%.*]] = getelementptr i32, ptr [[OUT]], i32 1
34 ; CHECK-NEXT: store i32 [[TMP_V_1_1]], ptr [[OUT_1]], align 4
35 ; CHECK-NEXT: ret void
38 ; Just some temporary storage
41 %tmp.i = insertelement <2 x ptr> poison, ptr %tmp.0, i32 0
42 %tmp = insertelement <2 x ptr> %tmp.i, ptr %tmp.1, i32 1
43 ; Read from in1 and in2
44 %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
45 %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
46 ; Store in1 to the allocas
47 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>);
48 ; Read in1 from the allocas
49 ; This gather should alias the scatter we just saw
50 %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
51 ; Store in2 to the allocas
52 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>);
53 ; Read in2 from the allocas
54 ; This gather should alias the scatter we just saw, and not be eliminated
55 %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
56 ; Store in2 to out for good measure
57 %tmp.v.1.0 = extractelement <2 x i32> %tmp.v.1, i32 0
58 %tmp.v.1.1 = extractelement <2 x i32> %tmp.v.1, i32 1
59 store i32 %tmp.v.1.0, ptr %out
60 %out.1 = getelementptr i32, ptr %out, i32 1
61 store i32 %tmp.v.1.1, ptr %out.1