1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt %s -passes='function(scalarizer)' -scalarize-load-store -S | FileCheck %s
4 ; This verifies that the order of extract element instructions is
5 ; deterministic. In the past we could end up with different results depending
6 ; on the compiler used (due to argument evaluation order being undefined in
7 ; C++). The order of the extracts is not really important for correctness of
8 ; the result, but when debugging and creating test cases it is helpful if we
9 ; get the same out put regardless of which compiler we use when building the
12 define <2 x i32> @test1(i1 %b, <2 x i32> %i, <2 x i32> %j) {
13 ; CHECK-LABEL: @test1(
14 ; CHECK-NEXT: [[I_I0:%.*]] = extractelement <2 x i32> [[I:%.*]], i64 0
15 ; CHECK-NEXT: [[J_I0:%.*]] = extractelement <2 x i32> [[J:%.*]], i64 0
16 ; CHECK-NEXT: [[RES_I0:%.*]] = select i1 [[B:%.*]], i32 [[I_I0]], i32 [[J_I0]]
17 ; CHECK-NEXT: [[I_I1:%.*]] = extractelement <2 x i32> [[I]], i64 1
18 ; CHECK-NEXT: [[J_I1:%.*]] = extractelement <2 x i32> [[J]], i64 1
19 ; CHECK-NEXT: [[RES_I1:%.*]] = select i1 [[B]], i32 [[I_I1]], i32 [[J_I1]]
20 ; CHECK-NEXT: [[RES_UPTO0:%.*]] = insertelement <2 x i32> poison, i32 [[RES_I0]], i64 0
21 ; CHECK-NEXT: [[RES:%.*]] = insertelement <2 x i32> [[RES_UPTO0]], i32 [[RES_I1]], i64 1
22 ; CHECK-NEXT: ret <2 x i32> [[RES]]
24 %res = select i1 %b, <2 x i32> %i, <2 x i32> %j
28 define <2 x i32> @test2(<2 x i1> %b, <2 x i32> %i, <2 x i32> %j) {
29 ; CHECK-LABEL: @test2(
30 ; CHECK-NEXT: [[B_I0:%.*]] = extractelement <2 x i1> [[B:%.*]], i64 0
31 ; CHECK-NEXT: [[I_I0:%.*]] = extractelement <2 x i32> [[I:%.*]], i64 0
32 ; CHECK-NEXT: [[J_I0:%.*]] = extractelement <2 x i32> [[J:%.*]], i64 0
33 ; CHECK-NEXT: [[RES_I0:%.*]] = select i1 [[B_I0]], i32 [[I_I0]], i32 [[J_I0]]
34 ; CHECK-NEXT: [[B_I1:%.*]] = extractelement <2 x i1> [[B]], i64 1
35 ; CHECK-NEXT: [[I_I1:%.*]] = extractelement <2 x i32> [[I]], i64 1
36 ; CHECK-NEXT: [[J_I1:%.*]] = extractelement <2 x i32> [[J]], i64 1
37 ; CHECK-NEXT: [[RES_I1:%.*]] = select i1 [[B_I1]], i32 [[I_I1]], i32 [[J_I1]]
38 ; CHECK-NEXT: [[RES_UPTO0:%.*]] = insertelement <2 x i32> poison, i32 [[RES_I0]], i64 0
39 ; CHECK-NEXT: [[RES:%.*]] = insertelement <2 x i32> [[RES_UPTO0]], i32 [[RES_I1]], i64 1
40 ; CHECK-NEXT: ret <2 x i32> [[RES]]
42 %res = select <2 x i1> %b, <2 x i32> %i, <2 x i32> %j
46 define <2 x i32> @test3(<2 x i32> %i, <2 x i32> %j) {
47 ; CHECK-LABEL: @test3(
48 ; CHECK-NEXT: [[I_I0:%.*]] = extractelement <2 x i32> [[I:%.*]], i64 0
49 ; CHECK-NEXT: [[J_I0:%.*]] = extractelement <2 x i32> [[J:%.*]], i64 0
50 ; CHECK-NEXT: [[RES_I0:%.*]] = add nuw nsw i32 [[I_I0]], [[J_I0]]
51 ; CHECK-NEXT: [[I_I1:%.*]] = extractelement <2 x i32> [[I]], i64 1
52 ; CHECK-NEXT: [[J_I1:%.*]] = extractelement <2 x i32> [[J]], i64 1
53 ; CHECK-NEXT: [[RES_I1:%.*]] = add nuw nsw i32 [[I_I1]], [[J_I1]]
54 ; CHECK-NEXT: [[RES_UPTO0:%.*]] = insertelement <2 x i32> poison, i32 [[RES_I0]], i64 0
55 ; CHECK-NEXT: [[RES:%.*]] = insertelement <2 x i32> [[RES_UPTO0]], i32 [[RES_I1]], i64 1
56 ; CHECK-NEXT: ret <2 x i32> [[RES]]
58 %res = add nuw nsw <2 x i32> %i, %j
62 define void @test4(ptr %ptr, <2 x i32> %val) {
63 ; CHECK-LABEL: @test4(
64 ; CHECK-NEXT: [[VAL_I0:%.*]] = extractelement <2 x i32> [[VAL:%.*]], i64 0
65 ; CHECK-NEXT: store i32 [[VAL_I0]], ptr [[PTR:%.*]], align 8
66 ; CHECK-NEXT: [[VAL_I1:%.*]] = extractelement <2 x i32> [[VAL]], i64 1
67 ; CHECK-NEXT: [[PTR_I1:%.*]] = getelementptr i32, ptr [[PTR]], i32 1
68 ; CHECK-NEXT: store i32 [[VAL_I1]], ptr [[PTR_I1]], align 4
69 ; CHECK-NEXT: ret void
71 store <2 x i32> %val, ptr %ptr