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 4 5; infinite loop if we add the erased instructions to the work list in the wrong order. 6define 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 17; 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 25 ret void 26} 27