1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -instcombine -S | FileCheck %s
3
4%struct._IO_FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct._IO_FILE*, i32, i32, i64, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i64, i32, [20 x i8] }
5%struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 }
6
7@stderr = external global %struct._IO_FILE*, align 8
8@.str = private constant [8 x i8] c"crash!\0A\00", align 1
9
10@fwrite = alias i64 (i8*, i64, i64, %struct._IO_FILE*), i64 (i8*, i64, i64, %struct._IO_FILE*)* @__fwrite_alias
11
12define i64 @__fwrite_alias(i8* %ptr, i64 %size, i64 %n, %struct._IO_FILE* %s) {
13; CHECK-LABEL: @__fwrite_alias(
14; CHECK-NEXT:  entry:
15; CHECK-NEXT:    ret i64 0
16;
17entry:
18  %ptr.addr = alloca i8*, align 8
19  %size.addr = alloca i64, align 8
20  %n.addr = alloca i64, align 8
21  %s.addr = alloca %struct._IO_FILE*, align 8
22  store i8* %ptr, i8** %ptr.addr, align 8
23  store i64 %size, i64* %size.addr, align 8
24  store i64 %n, i64* %n.addr, align 8
25  store %struct._IO_FILE* %s, %struct._IO_FILE** %s.addr, align 8
26  ret i64 0
27}
28
29define void @foo() {
30; CHECK-LABEL: @foo(
31; CHECK-NEXT:  entry:
32; CHECK-NEXT:    [[TMP0:%.*]] = load %struct._IO_FILE*, %struct._IO_FILE** @stderr, align 8
33; CHECK-NEXT:    [[TMP1:%.*]] = call i64 @__fwrite_alias(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i64 7, i64 1, %struct._IO_FILE* [[TMP0]])
34; CHECK-NEXT:    ret void
35;
36entry:
37  %retval = alloca i32, align 4
38  store i32 0, i32* %retval, align 4
39  %0 = load %struct._IO_FILE*, %struct._IO_FILE** @stderr, align 8
40  %call = call i32 (%struct._IO_FILE*, i8*, ...) @fprintf(%struct._IO_FILE* %0, i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i32 0, i32 0))
41  ret void
42}
43
44declare i32 @fprintf(%struct._IO_FILE*, i8*, ...)
45