32 lines
757 B
LLVM
32 lines
757 B
LLVM
; RUN: opt < %s -disable-basicaa -globals-aa -dse -S | FileCheck %s
|
|
|
|
@X = internal global i32 4
|
|
|
|
define i32 @test0() {
|
|
; CHECK-LABEL: @test0
|
|
; CHECK: store i32 0, i32* @X
|
|
; CHECK-NEXT: call i32 @func_readonly() #0
|
|
; CHECK-NEXT: store i32 1, i32* @X
|
|
store i32 0, i32* @X
|
|
%x = call i32 @func_readonly() #0
|
|
store i32 1, i32* @X
|
|
ret i32 %x
|
|
}
|
|
|
|
define i32 @test1() {
|
|
; CHECK-LABEL: @test1
|
|
; CHECK-NOT: store
|
|
; CHECK: call i32 @func_read_argmem_only() #1
|
|
; CHECK-NEXT: store i32 3, i32* @X
|
|
store i32 2, i32* @X
|
|
%x = call i32 @func_read_argmem_only() #1
|
|
store i32 3, i32* @X
|
|
ret i32 %x
|
|
}
|
|
|
|
declare i32 @func_readonly() #0
|
|
declare i32 @func_read_argmem_only() #1
|
|
|
|
attributes #0 = { readonly nounwind }
|
|
attributes #1 = { readonly argmemonly nounwind }
|