1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=sse2 | FileCheck %s
3 ; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=avx2 | FileCheck %s
5 ; infinite loop if we add the erased instructions to the work list in the wrong order.
6 define void @multiple_extract(ptr %p) {
7 ; CHECK-LABEL: @multiple_extract(
8 ; CHECK-NEXT: [[VP:%.*]] = load ptr, ptr [[P:%.*]], align 8
9 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds <2 x i32>, ptr [[VP]], i32 0, i64 0
10 ; CHECK-NEXT: [[E0:%.*]] = load i32, ptr [[TMP1]], align 16
11 ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds <2 x i32>, ptr [[VP]], i32 0, i64 1
12 ; CHECK-NEXT: [[E1:%.*]] = load i32, ptr [[TMP2]], align 4
13 ; CHECK-NEXT: store i32 [[E0]], ptr [[P]], align 4
14 ; CHECK-NEXT: [[P1:%.*]] = getelementptr inbounds nuw i8, ptr [[P]], i64 4
15 ; CHECK-NEXT: store i32 [[E1]], ptr [[P1]], align 4
16 ; CHECK-NEXT: ret void
18 %vp = load ptr, ptr %p, align 8
19 %v = load <2 x i32>, ptr %vp, align 16
20 %e0 = extractelement <2 x i32> %v, i64 0
21 %e1 = extractelement <2 x i32> %v, i64 1
22 store i32 %e0, ptr %p, align 4
23 %p1 = getelementptr inbounds nuw i8, ptr %p, i64 4
24 store i32 %e1, ptr %p1, align 4