1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -passes=slp-vectorizer,dce -S -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
4 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5 target triple = "x86_64-unknown-linux-gnu"
7 @a = common global ptr null, align 8
9 ; Function Attrs: nounwind uwtable
13 ; CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr @a, align 8
14 ; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i64, ptr [[TMP0]], i64 1
15 ; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[ADD_PTR]] to i64
16 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[TMP0]], i64 2
17 ; CHECK-NEXT: store i64 [[TMP1]], ptr [[ARRAYIDX]], align 8
18 ; CHECK-NEXT: [[TMP2:%.*]] = ptrtoint ptr [[ARRAYIDX]] to i64
19 ; CHECK-NEXT: store i64 [[TMP2]], ptr [[ADD_PTR]], align 8
20 ; CHECK-NEXT: ret i32 undef
23 %0 = load ptr, ptr @a, align 8
24 %add.ptr = getelementptr inbounds i64, ptr %0, i64 1
25 %1 = ptrtoint ptr %add.ptr to i64
26 %arrayidx = getelementptr inbounds i64, ptr %0, i64 2
27 store i64 %1, ptr %arrayidx, align 8
28 %2 = ptrtoint ptr %arrayidx to i64
29 store i64 %2, ptr %add.ptr, align 8
33 define void @PR43799() {
34 ; CHECK-LABEL: @PR43799(
36 ; CHECK-NEXT: br label [[BODY:%.*]]
38 ; CHECK-NEXT: br label [[BODY]]
40 ; CHECK-NEXT: ret void
46 %p.1.i19 = phi ptr [ undef, %entry ], [ %incdec.ptr.i.7, %body ]
47 %lsr.iv17 = phi ptr [ undef, %entry ], [ %scevgep113.7, %body ]
48 %incdec.ptr.i.7 = getelementptr inbounds i8, ptr undef, i32 1
49 %scevgep113.7 = getelementptr i8, ptr undef, i64 1