pr37267.ll
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; RUN: opt < %s -sroa -S | FileCheck %s
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"
target triple = "sparcv9-sun-solaris"
; PR37267
; Check that we don't crash on this test.
define i16 @f1() {
; CHECK-LABEL: @f1
; CHECK: %[[retval:.*]] = add i16 2, 2
; CHECK: ret i16 %[[retval]]
bb1:
; This 12-byte alloca is split into partitions as [0,2), [2,4), [4,8), [8,10), [10, 12).
; The reported error happened when rewriteIntegerStore try to widen a split tail of slice 1 for [4, 8) partition.
; alloca 012345678901
; slice 1: WWWW
; slice 2: WWWW
; slice 3: RR
; slice 4: RR
%a.3 = alloca [6 x i16], align 1
; slice 1: [2,6)
%_tmp3 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1
%_tmp5 = bitcast i16* %_tmp3 to i32*
store i32 131074, i32* %_tmp5, align 1
; slice 2: [8,12)
%_tmp8 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4
%_tmp10 = bitcast i16* %_tmp8 to i32*
store i32 131074, i32* %_tmp10, align 1
; slice 3: [8,10)
%_tmp12 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4
%_tmp13 = load i16, i16* %_tmp12, align 1
; slice 4: [2,4)
%_tmp15 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1
%_tmp16 = load i16, i16* %_tmp15, align 1
%rc = add i16 %_tmp13, %_tmp16
ret i16 %rc
}
define i16 @f2() {
; CHECK-LABEL: @f2
; CHECK: %[[retval:.*]] = add i16 2, undef
; CHECK: ret i16 %[[retval]]
bb1:
; This 12-byte alloca is split into partitions as [0,2), [2,4), [4,8), [8,10), [10, 12).
; The reported error happened when visitLoadInst rewrites a split tail of slice 1 for [4, 8) partition.
; alloca 012345678901
; slice 1: RRRR
; slice 2: WWWW
; slice 3: RR
; slice 4: RR
%a.3 = alloca [6 x i16], align 1
; slice 1: [2,6)
%_tmp3 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1
%_tmp5 = bitcast i16* %_tmp3 to i32*
%_tmp6 = load i32, i32* %_tmp5, align 1
; slice 2: [8,12)
%_tmp8 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4
%_tmp10 = bitcast i16* %_tmp8 to i32*
store i32 131074, i32* %_tmp10, align 1
; slice 3: [8,10)
%_tmp12 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 4
%_tmp13 = load i16, i16* %_tmp12, align 1
; slice 4: [2,4)
%_tmp15 = getelementptr inbounds [6 x i16], [6 x i16]* %a.3, i16 0, i16 1
%_tmp16 = load i16, i16* %_tmp15, align 1
%rc = add i16 %_tmp13, %_tmp16
ret i16 %rc
}