1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes='sroa<preserve-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-PRESERVE-CFG 3; RUN: opt < %s -passes='sroa<modify-cfg>' -S | FileCheck %s --check-prefixes=CHECK,CHECK-MODIFY-CFG 4target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-n32:64-S128" 5target triple = "sparcv9-sun-solaris" 6 7; PR37267 8; Check that we don't crash on this test. 9 10define i16 @f1() { 11; CHECK-LABEL: @f1( 12; CHECK-NEXT: bb1: 13; CHECK-NEXT: [[RC:%.*]] = add i16 2, 2 14; CHECK-NEXT: ret i16 [[RC]] 15; 16bb1: 17; This 12-byte alloca is split into partitions as [0,2), [2,4), [4,8), [8,10), [10, 12). 18; The reported error happened when rewriteIntegerStore try to widen a split tail of slice 1 for [4, 8) partition. 19; alloca 012345678901 20; slice 1: WWWW 21; slice 2: WWWW 22; slice 3: RR 23; slice 4: RR 24 25 %a.3 = alloca [6 x i16], align 1 26; slice 1: [2,6) 27 %_tmp3 = getelementptr inbounds [6 x i16], ptr %a.3, i16 0, i16 1 28 store i32 131074, ptr %_tmp3, align 1 29; slice 2: [8,12) 30 %_tmp8 = getelementptr inbounds [6 x i16], ptr %a.3, i16 0, i16 4 31 store i32 131074, ptr %_tmp8, align 1 32; slice 3: [8,10) 33 %_tmp12 = getelementptr inbounds [6 x i16], ptr %a.3, i16 0, i16 4 34 %_tmp13 = load i16, ptr %_tmp12, align 1 35; slice 4: [2,4) 36 %_tmp15 = getelementptr inbounds [6 x i16], ptr %a.3, i16 0, i16 1 37 %_tmp16 = load i16, ptr %_tmp15, align 1 38 39 %rc = add i16 %_tmp13, %_tmp16 40 ret i16 %rc 41} 42 43define i16 @f2() { 44; CHECK-LABEL: @f2( 45; CHECK-NEXT: bb1: 46; CHECK-NEXT: [[A_3_SROA_2_2_INSERT_EXT:%.*]] = zext i16 undef to i32 47; CHECK-NEXT: [[A_3_SROA_2_2_INSERT_MASK:%.*]] = and i32 undef, -65536 48; CHECK-NEXT: [[A_3_SROA_2_2_INSERT_INSERT:%.*]] = or i32 [[A_3_SROA_2_2_INSERT_MASK]], [[A_3_SROA_2_2_INSERT_EXT]] 49; CHECK-NEXT: [[A_3_SROA_0_2_INSERT_EXT:%.*]] = zext i16 undef to i32 50; CHECK-NEXT: [[A_3_SROA_0_2_INSERT_SHIFT:%.*]] = shl i32 [[A_3_SROA_0_2_INSERT_EXT]], 16 51; CHECK-NEXT: [[A_3_SROA_0_2_INSERT_MASK:%.*]] = and i32 [[A_3_SROA_2_2_INSERT_INSERT]], 65535 52; CHECK-NEXT: [[A_3_SROA_0_2_INSERT_INSERT:%.*]] = or i32 [[A_3_SROA_0_2_INSERT_MASK]], [[A_3_SROA_0_2_INSERT_SHIFT]] 53; CHECK-NEXT: [[RC:%.*]] = add i16 2, undef 54; CHECK-NEXT: ret i16 [[RC]] 55; 56bb1: 57; This 12-byte alloca is split into partitions as [0,2), [2,4), [4,8), [8,10), [10, 12). 58; The reported error happened when visitLoadInst rewrites a split tail of slice 1 for [4, 8) partition. 59; alloca 012345678901 60; slice 1: RRRR 61; slice 2: WWWW 62; slice 3: RR 63; slice 4: RR 64 65 %a.3 = alloca [6 x i16], align 1 66; slice 1: [2,6) 67 %_tmp3 = getelementptr inbounds [6 x i16], ptr %a.3, i16 0, i16 1 68 %_tmp6 = load i32, ptr %_tmp3, align 1 69; slice 2: [8,12) 70 %_tmp8 = getelementptr inbounds [6 x i16], ptr %a.3, i16 0, i16 4 71 store i32 131074, ptr %_tmp8, align 1 72; slice 3: [8,10) 73 %_tmp12 = getelementptr inbounds [6 x i16], ptr %a.3, i16 0, i16 4 74 %_tmp13 = load i16, ptr %_tmp12, align 1 75; slice 4: [2,4) 76 %_tmp15 = getelementptr inbounds [6 x i16], ptr %a.3, i16 0, i16 1 77 %_tmp16 = load i16, ptr %_tmp15, align 1 78 79 %rc = add i16 %_tmp13, %_tmp16 80 ret i16 %rc 81} 82;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: 83; CHECK-MODIFY-CFG: {{.*}} 84; CHECK-PRESERVE-CFG: {{.*}} 85