forked from OSchip/llvm-project
34 lines
1.3 KiB
LLVM
34 lines
1.3 KiB
LLVM
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; RUN: opt < %s -instcombine -S
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%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] }
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%struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 }
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@stderr = external global %struct._IO_FILE*, align 8
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@.str = private constant [8 x i8] c"crash!\0A\00", align 1
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@fwrite = alias i64 (i8*, i64, i64, %struct._IO_FILE*), i64 (i8*, i64, i64, %struct._IO_FILE*)* @__fwrite_alias
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define i64 @__fwrite_alias(i8* %ptr, i64 %size, i64 %n, %struct._IO_FILE* %s) {
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entry:
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%ptr.addr = alloca i8*, align 8
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%size.addr = alloca i64, align 8
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%n.addr = alloca i64, align 8
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%s.addr = alloca %struct._IO_FILE*, align 8
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store i8* %ptr, i8** %ptr.addr, align 8
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store i64 %size, i64* %size.addr, align 8
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store i64 %n, i64* %n.addr, align 8
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store %struct._IO_FILE* %s, %struct._IO_FILE** %s.addr, align 8
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ret i64 0
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}
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define void @foo() {
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entry:
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%retval = alloca i32, align 4
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store i32 0, i32* %retval, align 4
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%0 = load %struct._IO_FILE*, %struct._IO_FILE** @stderr, align 8
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%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))
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ret void
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}
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declare i32 @fprintf(%struct._IO_FILE*, i8*, ...)
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