crash_gep.ll
1.76 KB
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -basic-aa -slp-vectorizer -dce -S -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@a = common global i64* null, align 8
; Function Attrs: nounwind uwtable
define i32 @fn1() {
; CHECK-LABEL: @fn1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = load i64*, i64** @a, align 8
; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i64, i64* [[TMP0]], i64 1
; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint i64* [[ADD_PTR]] to i64
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, i64* [[TMP0]], i64 2
; CHECK-NEXT: store i64 [[TMP1]], i64* [[ARRAYIDX]], align 8
; CHECK-NEXT: [[TMP2:%.*]] = ptrtoint i64* [[ARRAYIDX]] to i64
; CHECK-NEXT: store i64 [[TMP2]], i64* [[ADD_PTR]], align 8
; CHECK-NEXT: ret i32 undef
;
entry:
%0 = load i64*, i64** @a, align 8
%add.ptr = getelementptr inbounds i64, i64* %0, i64 1
%1 = ptrtoint i64* %add.ptr to i64
%arrayidx = getelementptr inbounds i64, i64* %0, i64 2
store i64 %1, i64* %arrayidx, align 8
%2 = ptrtoint i64* %arrayidx to i64
store i64 %2, i64* %add.ptr, align 8
ret i32 undef
}
define void @PR43799() {
; CHECK-LABEL: @PR43799(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[BODY:%.*]]
; CHECK: body:
; CHECK-NEXT: br label [[BODY]]
; CHECK: epilog:
; CHECK-NEXT: ret void
;
entry:
br label %body
body:
%p.1.i19 = phi i8* [ undef, %entry ], [ %incdec.ptr.i.7, %body ]
%lsr.iv17 = phi i8* [ undef, %entry ], [ %scevgep113.7, %body ]
%incdec.ptr.i.7 = getelementptr inbounds i8, i8* undef, i32 1
%scevgep113.7 = getelementptr i8, i8* undef, i64 1
br label %body
epilog:
ret void
}