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| ; 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*, ...)
|