xref: /llvm-project/llvm/test/Transforms/NewGVN/pr17732.ll (revision 229640343e400394b315c6798c7c19e8a9bd188c)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: opt -passes=newgvn -S -o - < %s | FileCheck %s
3target 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-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
4target triple = "x86_64-unknown-linux-gnu"
5
6%struct.with_array = type { [2 x i8], i32, i8 }
7%struct.with_vector = type { <2 x i8>, i32, i8 }
8
9@main.obj_with_array = private unnamed_addr constant { [2 x i8], i32, i8, [3 x i8] } { [2 x i8] zeroinitializer, i32 0, i8 1, [3 x i8] undef }, align 4
10@array_with_zeroinit = common global %struct.with_array zeroinitializer, align 4
11
12@main.obj_with_vector = private unnamed_addr constant { <2 x i8>, i32, i8, [3 x i8] } { <2 x i8> zeroinitializer, i32 0, i8 1, [3 x i8] undef }, align 4
13@vector_with_zeroinit = common global %struct.with_vector zeroinitializer, align 4
14
15define i32 @main() {
16; CHECK-LABEL: define i32 @main() {
17; CHECK-NEXT:  entry:
18; CHECK-NEXT:    tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 @array_with_zeroinit, ptr align 4 @main.obj_with_array, i64 12, i1 false)
19; CHECK-NEXT:    tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 @vector_with_zeroinit, ptr align 4 @main.obj_with_vector, i64 12, i1 false)
20; CHECK-NEXT:    ret i32 1
21;
22entry:
23  tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 @array_with_zeroinit, ptr align 4 @main.obj_with_array, i64 12, i1 false)
24  %0 = load i8, ptr getelementptr inbounds (%struct.with_array, ptr @array_with_zeroinit, i64 0, i32 2), align 4
25
26  tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 @vector_with_zeroinit, ptr align 4 @main.obj_with_vector, i64 12, i1 false)
27  %1 = load i8, ptr getelementptr inbounds (%struct.with_vector, ptr @vector_with_zeroinit, i64 0, i32 2), align 4
28  %conv0 = sext i8 %0 to i32
29  %conv1 = sext i8 %1 to i32
30  %and = and i32 %conv0, %conv1
31  ret i32 %and
32}
33
34declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1)
35