49 lines
1.5 KiB
LLVM
49 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -passes=globalopt -S < %s | FileCheck %s
|
|
|
|
@g = internal global i32* null, align 8
|
|
|
|
define signext i32 @f() local_unnamed_addr {
|
|
; CHECK-LABEL: @f(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: store i16 -1, i16* bitcast ([4 x i8]* @g.body to i16*), align 2
|
|
; CHECK-NEXT: ret i32 0
|
|
;
|
|
entry:
|
|
%call = call i8* @malloc(i64 4)
|
|
%b = bitcast i8* %call to i32*
|
|
store i32* %b, i32** @g, align 8
|
|
%b2 = bitcast i8* %call to i16*
|
|
store i16 -1, i16* %b2
|
|
ret i32 0
|
|
}
|
|
|
|
define signext i32 @main() {
|
|
; CHECK-LABEL: @main(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[CALL:%.*]] = call signext i32 @f()
|
|
; CHECK-NEXT: call void @f1()
|
|
; CHECK-NEXT: store i32 1, i32* bitcast ([4 x i8]* @g.body to i32*), align 4
|
|
; CHECK-NEXT: call void @f1()
|
|
; CHECK-NEXT: store i8 2, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @g.body, i32 0, i32 0), align 4
|
|
; CHECK-NEXT: call void @f1()
|
|
; CHECK-NEXT: [[RES:%.*]] = load i32, i32* bitcast ([4 x i8]* @g.body to i32*), align 4
|
|
; CHECK-NEXT: ret i32 [[RES]]
|
|
;
|
|
entry:
|
|
%call = call signext i32 @f()
|
|
call void @f1()
|
|
%v0 = load i32*, i32** @g, align 8
|
|
store i32 1, i32* %v0, align 4
|
|
call void @f1()
|
|
%v1 = load i8*, i8** bitcast (i32** @g to i8**), align 8
|
|
store i8 2, i8* %v1, align 4
|
|
call void @f1()
|
|
%v2 = load i32*, i32** @g, align 8
|
|
%res = load i32, i32* %v2, align 4
|
|
ret i32 %res
|
|
}
|
|
|
|
declare noalias align 16 i8* @malloc(i64) allockind("alloc,uninitialized") allocsize(0)
|
|
declare void @f1()
|