28 lines
731 B
LLVM
28 lines
731 B
LLVM
; RUN: opt < %s -globalopt -S | FileCheck %s
|
|
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
|
|
|
|
@G = internal global i32* null
|
|
|
|
define void @t() {
|
|
; CHECK: @t()
|
|
; CHECK-NOT: call i8* @malloc
|
|
; CHECK-NEXT: ret void
|
|
%malloccall = tail call i8* @malloc(i64 mul (i64 100, i64 4))
|
|
%P = bitcast i8* %malloccall to i32*
|
|
store i32* %P, i32** @G
|
|
%GV = load i32*, i32** @G
|
|
%GVe = getelementptr i32, i32* %GV, i32 40
|
|
store i32 20, i32* %GVe
|
|
ret void
|
|
}
|
|
|
|
declare noalias i8* @malloc(i64)
|
|
|
|
define void @foo(i64 %Size) nounwind noinline #0 {
|
|
entry:
|
|
%0 = load i32*, i32** @G, align 4
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { null_pointer_is_valid }
|