mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-26 04:32:44 +01:00
f2cb55e405
replacement to make it at least as generic as the instruction being replaced. This includes: * dropping nsw/nuw flags * getting the least restrictive tbaa and fpmath metadata * merging ranges Fixes PR12979. llvm-svn: 157958
82 lines
2.0 KiB
LLVM
82 lines
2.0 KiB
LLVM
; RUN: opt %s -basicaa -gvn -S -o - | FileCheck %s
|
|
|
|
define i32 @test1(i8* %p, i8* %q) {
|
|
; CHECK: @test1(i8* %p, i8* %q)
|
|
; CHECK: call i32 @foo(i8* %p)
|
|
; CHECK-NOT: tbaa
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = call i32 @foo(i8* %p), !tbaa !0
|
|
%b = call i32 @foo(i8* %p)
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test2(i8* %p, i8* %q) {
|
|
; CHECK: @test2(i8* %p, i8* %q)
|
|
; CHECK: call i32 @foo(i8* %p), !tbaa !0
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = call i32 @foo(i8* %p), !tbaa !0
|
|
%b = call i32 @foo(i8* %p), !tbaa !0
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test3(i8* %p, i8* %q) {
|
|
; CHECK: @test3(i8* %p, i8* %q)
|
|
; CHECK: call i32 @foo(i8* %p), !tbaa !3
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = call i32 @foo(i8* %p), !tbaa !3
|
|
%b = call i32 @foo(i8* %p), !tbaa !3
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test4(i8* %p, i8* %q) {
|
|
; CHECK: @test4(i8* %p, i8* %q)
|
|
; CHECK: call i32 @foo(i8* %p), !tbaa !1
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = call i32 @foo(i8* %p), !tbaa !1
|
|
%b = call i32 @foo(i8* %p), !tbaa !0
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test5(i8* %p, i8* %q) {
|
|
; CHECK: @test5(i8* %p, i8* %q)
|
|
; CHECK: call i32 @foo(i8* %p), !tbaa !1
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = call i32 @foo(i8* %p), !tbaa !0
|
|
%b = call i32 @foo(i8* %p), !tbaa !1
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test6(i8* %p, i8* %q) {
|
|
; CHECK: @test6(i8* %p, i8* %q)
|
|
; CHECK: call i32 @foo(i8* %p), !tbaa !1
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = call i32 @foo(i8* %p), !tbaa !0
|
|
%b = call i32 @foo(i8* %p), !tbaa !3
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
define i32 @test7(i8* %p, i8* %q) {
|
|
; CHECK: @test7(i8* %p, i8* %q)
|
|
; CHECK: call i32 @foo(i8* %p)
|
|
; CHECK-NOT: tbaa
|
|
; CHECK: %c = add i32 %a, %a
|
|
%a = call i32 @foo(i8* %p), !tbaa !4
|
|
%b = call i32 @foo(i8* %p), !tbaa !3
|
|
%c = add i32 %a, %b
|
|
ret i32 %c
|
|
}
|
|
|
|
declare i32 @foo(i8*) readonly
|
|
|
|
!0 = metadata !{metadata !"C", metadata !1}
|
|
!1 = metadata !{metadata !"A", metadata !2}
|
|
!2 = metadata !{metadata !"tbaa root", null}
|
|
!3 = metadata !{metadata !"B", metadata !1}
|
|
!4 = metadata !{metadata !"another root", null}
|