1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s --data-layout "e" -passes=dse -enable-dse-partial-store-merging=true -S | FileCheck %s 3; RUN: opt < %s --data-layout "E" -passes=dse -enable-dse-partial-store-merging=true -S | FileCheck %s 4 5; This test used to hit an assertion (see PR41949). 6; 7; Better safe than sorry, do not assume anything about the padding for the 8; i28 store that has 32 bits as store size. 9define void @test1(ptr %p) { 10; CHECK-LABEL: @test1( 11; CHECK-NEXT: [[A:%.*]] = alloca i32 12; CHECK-NEXT: [[C1:%.*]] = getelementptr inbounds { i16, i16 }, ptr [[A]], i32 0, i32 1 13; CHECK-NEXT: store i28 10, ptr [[A]] 14; CHECK-NEXT: store i16 20, ptr [[C1]] 15; CHECK-NEXT: call void @test1(ptr [[A]]) 16; CHECK-NEXT: ret void 17; 18 %a = alloca i32 19 %c1 = getelementptr inbounds { i16, i16 }, ptr %a, i32 0, i32 1 20 store i28 10, ptr %a 21 store i16 20, ptr %c1 22 23 call void @test1(ptr %a) 24 ret void 25} 26 27 28; This test used to mis-compile (see PR41949). 29; 30; Better safe than sorry, do not assume anything about the padding for the 31; i12 store that has 16 bits as store size. 32define void @test2(ptr %p) { 33; CHECK-LABEL: @test2( 34; CHECK-NEXT: [[U:%.*]] = alloca i32 35; CHECK-NEXT: store i32 -1, ptr [[U]] 36; CHECK-NEXT: store i12 20, ptr [[U]] 37; CHECK-NEXT: call void @test2(ptr [[U]]) 38; CHECK-NEXT: ret void 39; 40 %u = alloca i32 41 store i32 -1, ptr %u 42 store i12 20, ptr %u 43 44 call void @test2(ptr %u) 45 ret void 46} 47 48