| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| |
| %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] } |
| %struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 } |
| |
| @stderr = external global %struct._IO_FILE*, align 8 |
| @.str = private constant [8 x i8] c"crash!\0A\00", align 1 |
| |
| @fwrite = alias i64 (i8*, i64, i64, %struct._IO_FILE*), i64 (i8*, i64, i64, %struct._IO_FILE*)* @__fwrite_alias |
| |
| define i64 @__fwrite_alias(i8* %ptr, i64 %size, i64 %n, %struct._IO_FILE* %s) { |
| ; CHECK-LABEL: @__fwrite_alias( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: ret i64 0 |
| ; |
| entry: |
| %ptr.addr = alloca i8*, align 8 |
| %size.addr = alloca i64, align 8 |
| %n.addr = alloca i64, align 8 |
| %s.addr = alloca %struct._IO_FILE*, align 8 |
| store i8* %ptr, i8** %ptr.addr, align 8 |
| store i64 %size, i64* %size.addr, align 8 |
| store i64 %n, i64* %n.addr, align 8 |
| store %struct._IO_FILE* %s, %struct._IO_FILE** %s.addr, align 8 |
| ret i64 0 |
| } |
| |
| define void @foo() { |
| ; CHECK-LABEL: @foo( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[TMP0:%.*]] = load %struct._IO_FILE*, %struct._IO_FILE** @stderr, align 8 |
| ; CHECK-NEXT: [[TMP1:%.*]] = call i64 @fwrite(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str, i64 0, i64 0), i64 7, i64 1, %struct._IO_FILE* [[TMP0]]) |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %retval = alloca i32, align 4 |
| store i32 0, i32* %retval, align 4 |
| %0 = load %struct._IO_FILE*, %struct._IO_FILE** @stderr, align 8 |
| %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)) |
| ret void |
| } |
| |
| declare i32 @fprintf(%struct._IO_FILE*, i8*, ...) |