1 ; RUN: opt < %s -sroa -S | FileCheck %s 2 target 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" 3 target triple = "sparcv9-sun-solaris" 4 5 ; PR37267 6 ; Check that we don't crash on this test. 7 8 define i16 @f1() { 9 ; CHECK-LABEL: @f1 10 ; CHECK: %[[retval:.*]] = add i16 2, 2 11 ; CHECK: ret i16 %[[retval]] 12 13 bb1: 14 ; This 12-byte alloca is split into partitions as [0,2), [2,4), [4,8), [8,10), [10, 12). 15 ; The reported error happened when rewriteIntegerStore try to widen a split tail of slice 1 for [4, 8) partition. 16 ; alloca 012345678901 17 ; slice 1: WWWW 18 ; slice 2: WWWW 19 ; slice 3: RR 20 ; slice 4: RR 21 22 %a.3 = alloca [6 x i16], align 1 23 ; slice 1: [2,6) 24 %_tmp3 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1 25 %_tmp5 = bitcast i16* %_tmp3 to i32* 26 store i32 131074, i32* %_tmp5, align 1 27 ; slice 2: [8,12) 28 %_tmp8 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4 29 %_tmp10 = bitcast i16* %_tmp8 to i32* 30 store i32 131074, i32* %_tmp10, align 1 31 ; slice 3: [8,10) 32 %_tmp12 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4 33 %_tmp13 = load i16, i16* %_tmp12, align 1 34 ; slice 4: [2,4) 35 %_tmp15 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1 36 %_tmp16 = load i16, i16* %_tmp15, align 1 37 38 %rc = add i16 %_tmp13, %_tmp16 39 ret i16 %rc 40 } 41 42 define i16 @f2() { 43 ; CHECK-LABEL: @f2 44 ; CHECK: %[[retval:.*]] = add i16 2, undef 45 ; CHECK: ret i16 %[[retval]] 46 47 bb1: 48 ; This 12-byte alloca is split into partitions as [0,2), [2,4), [4,8), [8,10), [10, 12). 49 ; The reported error happened when visitLoadInst rewrites a split tail of slice 1 for [4, 8) partition. 50 ; alloca 012345678901 51 ; slice 1: RRRR 52 ; slice 2: WWWW 53 ; slice 3: RR 54 ; slice 4: RR 55 56 %a.3 = alloca [6 x i16], align 1 57 ; slice 1: [2,6) 58 %_tmp3 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1 59 %_tmp5 = bitcast i16* %_tmp3 to i32* 60 %_tmp6 = load i32, i32* %_tmp5, align 1 61 ; slice 2: [8,12) 62 %_tmp8 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4 63 %_tmp10 = bitcast i16* %_tmp8 to i32* 64 store i32 131074, i32* %_tmp10, align 1 65 ; slice 3: [8,10) 66 %_tmp12 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4 67 %_tmp13 = load i16, i16* %_tmp12, align 1 68 ; slice 4: [2,4) 69 %_tmp15 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1 70 %_tmp16 = load i16, i16* %_tmp15, align 1 71 72 %rc = add i16 %_tmp13, %_tmp16 73 ret i16 %rc 74 } 75
