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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -codegenprepare -S -mtriple=x86_64-linux < %s | FileCheck %s
3
4define i32 @test1(i8* %d) nounwind {
5; CHECK-LABEL: @test1(
6; CHECK-NEXT:  entry:
7; CHECK-NEXT:    [[L:%.*]] = load i8, i8* [[D:%.*]], align 1
8; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i8 [[L]], 0
9; CHECK-NEXT:    br i1 [[CMP]], label [[EXIT:%.*]], label [[IF_END:%.*]]
10; CHECK:       if.end:
11; CHECK-NEXT:    br label [[EXIT]]
12; CHECK:       exit:
13; CHECK-NEXT:    [[TMP0:%.*]] = icmp eq i8 [[L]], 0
14; CHECK-NEXT:    [[CONV:%.*]] = zext i1 [[TMP0]] to i32
15; CHECK-NEXT:    ret i32 [[CONV]]
16;
17entry:
18  %l = load i8, i8* %d
19  %cmp = icmp eq i8 %l, 0
20  br i1 %cmp, label %exit, label %if.end
21
22if.end:
23  %gep = getelementptr i8, i8* %d, i32 42
24  %call = call i64 @foo(i8* %gep) nounwind readonly
25  %cmp2 = icmp ne i64 %call, 0
26  call void @llvm.assume(i1 %cmp2)
27  br label %exit
28
29exit:
30  %conv = zext i1 %cmp to i32
31  ret i32 %conv
32}
33
34declare i64 @foo(i8*) nounwind readonly
35declare void @llvm.assume(i1 noundef) nounwind willreturn
36