xref: /llvm-project/llvm/test/Transforms/ConstantHoisting/ARM/const-hoist-gep-overindexing.ll (revision 85eeba48a0fefcdf6d12cf422d2060592f689823)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=consthoist -consthoist-gep -S -o - %s | FileCheck %s
3
4target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
5target triple = "thumbv6m-none--musleabi"
6
7%0 = type { [10 x i32], [10 x i16] }
8
9@global = external local_unnamed_addr global %0, align 4
10
11define void @test_inbounds() {
12; CHECK-LABEL: @test_inbounds(
13; CHECK-NEXT:  bb:
14; CHECK-NEXT:    [[CONST:%.*]] = bitcast ptr getelementptr inbounds ([[TMP0:%.*]], ptr @global, i32 0, i32 1, i32 0) to ptr
15; CHECK-NEXT:    store i16 undef, ptr [[CONST]], align 2
16; CHECK-NEXT:    [[MAT_GEP:%.*]] = getelementptr i8, ptr [[CONST]], i32 2
17; CHECK-NEXT:    [[MAT_BITCAST:%.*]] = bitcast ptr [[MAT_GEP]] to ptr
18; CHECK-NEXT:    store i16 undef, ptr [[MAT_BITCAST]], align 2
19; CHECK-NEXT:    [[MAT_GEP1:%.*]] = getelementptr i8, ptr [[CONST]], i32 20
20; CHECK-NEXT:    [[MAT_BITCAST2:%.*]] = bitcast ptr [[MAT_GEP1]] to ptr
21; CHECK-NEXT:    store i16 undef, ptr [[MAT_BITCAST2]], align 2
22; CHECK-NEXT:    ret void
23;
24bb:
25  store i16 undef, ptr getelementptr inbounds (%0, ptr @global, i32 0, i32 1, i32 0)
26  store i16 undef, ptr getelementptr inbounds (%0, ptr @global, i32 0, i32 1, i32 1)
27  store i16 undef, ptr getelementptr inbounds (%0, ptr @global, i32 0, i32 1, i32 10)
28  ret void
29}
30
31define dso_local void @test_non_inbounds() {
32; CHECK-LABEL: @test_non_inbounds(
33; CHECK-NEXT:  bb:
34; CHECK-NEXT:    store i16 undef, ptr getelementptr inbounds ([[TMP0:%.*]], ptr @global, i32 0, i32 1, i32 11), align 2
35; CHECK-NEXT:    store i16 undef, ptr getelementptr ([[TMP0]], ptr @global, i32 0, i32 1, i32 12), align 2
36; CHECK-NEXT:    ret void
37;
38bb:
39  store i16 undef, ptr getelementptr inbounds (%0, ptr @global, i32 0, i32 1, i32 11)
40  store i16 undef, ptr getelementptr (%0, ptr @global, i32 0, i32 1, i32 12)
41  ret void
42}
43
44