mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-23 04:52:54 +02:00
61cc232b2d
We skipped over ReturnInsts which didn't return an argument which would lead us to incorrectly conclude that an argument returned by another ReturnInst was 'returned'. This reverts commit r275756. This fixes PR28610. llvm-svn: 276008
115 lines
3.2 KiB
LLVM
115 lines
3.2 KiB
LLVM
; RUN: opt < %s -functionattrs -S | FileCheck %s
|
|
; RUN: opt < %s -aa-pipeline=basic-aa -passes='cgscc(function-attrs)' -S | FileCheck %s
|
|
@x = global i32 0
|
|
|
|
declare void @test1_1(i8* %x1_1, i8* readonly %y1_1, ...)
|
|
|
|
; CHECK: define void @test1_2(i8* %x1_2, i8* readonly %y1_2, i8* %z1_2)
|
|
define void @test1_2(i8* %x1_2, i8* %y1_2, i8* %z1_2) {
|
|
call void (i8*, i8*, ...) @test1_1(i8* %x1_2, i8* %y1_2, i8* %z1_2)
|
|
store i32 0, i32* @x
|
|
ret void
|
|
}
|
|
|
|
; CHECK: define i8* @test2(i8* readnone returned %p)
|
|
define i8* @test2(i8* %p) {
|
|
store i32 0, i32* @x
|
|
ret i8* %p
|
|
}
|
|
|
|
; CHECK: define i1 @test3(i8* readnone %p, i8* readnone %q)
|
|
define i1 @test3(i8* %p, i8* %q) {
|
|
%A = icmp ult i8* %p, %q
|
|
ret i1 %A
|
|
}
|
|
|
|
declare void @test4_1(i8* nocapture) readonly
|
|
|
|
; CHECK: define void @test4_2(i8* nocapture readonly %p)
|
|
define void @test4_2(i8* %p) {
|
|
call void @test4_1(i8* %p)
|
|
ret void
|
|
}
|
|
|
|
; CHECK: define void @test5(i8** nocapture %p, i8* %q)
|
|
; Missed optz'n: we could make %q readnone, but don't break test6!
|
|
define void @test5(i8** %p, i8* %q) {
|
|
store i8* %q, i8** %p
|
|
ret void
|
|
}
|
|
|
|
declare void @test6_1()
|
|
; CHECK: define void @test6_2(i8** nocapture %p, i8* %q)
|
|
; This is not a missed optz'n.
|
|
define void @test6_2(i8** %p, i8* %q) {
|
|
store i8* %q, i8** %p
|
|
call void @test6_1()
|
|
ret void
|
|
}
|
|
|
|
; CHECK: define void @test7_1(i32* inalloca nocapture %a)
|
|
; inalloca parameters are always considered written
|
|
define void @test7_1(i32* inalloca %a) {
|
|
ret void
|
|
}
|
|
|
|
; CHECK: define i32* @test8_1(i32* readnone returned %p)
|
|
define i32* @test8_1(i32* %p) {
|
|
entry:
|
|
ret i32* %p
|
|
}
|
|
|
|
; CHECK: define void @test8_2(i32* %p)
|
|
define void @test8_2(i32* %p) {
|
|
entry:
|
|
%call = call i32* @test8_1(i32* %p)
|
|
store i32 10, i32* %call, align 4
|
|
ret void
|
|
}
|
|
|
|
; CHECK: declare void @llvm.masked.scatter
|
|
declare void @llvm.masked.scatter.v4i32(<4 x i32>%val, <4 x i32*>, i32, <4 x i1>)
|
|
|
|
; CHECK-NOT: readnone
|
|
; CHECK-NOT: readonly
|
|
; CHECK: define void @test9
|
|
define void @test9(<4 x i32*> %ptrs, <4 x i32>%val) {
|
|
call void @llvm.masked.scatter.v4i32(<4 x i32>%val, <4 x i32*> %ptrs, i32 4, <4 x i1><i1 true, i1 false, i1 true, i1 false>)
|
|
ret void
|
|
}
|
|
|
|
; CHECK: declare <4 x i32> @llvm.masked.gather
|
|
declare <4 x i32> @llvm.masked.gather.v4i32(<4 x i32*>, i32, <4 x i1>, <4 x i32>)
|
|
; CHECK: readonly
|
|
; CHECK: define <4 x i32> @test10
|
|
define <4 x i32> @test10(<4 x i32*> %ptrs) {
|
|
%res = call <4 x i32> @llvm.masked.gather.v4i32(<4 x i32*> %ptrs, i32 4, <4 x i1><i1 true, i1 false, i1 true, i1 false>, <4 x i32>undef)
|
|
ret <4 x i32> %res
|
|
}
|
|
|
|
; CHECK: declare <4 x i32> @test11_1
|
|
declare <4 x i32> @test11_1(<4 x i32*>) argmemonly nounwind readonly
|
|
; CHECK: readonly
|
|
; CHECK-NOT: readnone
|
|
; CHECK: define <4 x i32> @test11_2
|
|
define <4 x i32> @test11_2(<4 x i32*> %ptrs) {
|
|
%res = call <4 x i32> @test11_1(<4 x i32*> %ptrs)
|
|
ret <4 x i32> %res
|
|
}
|
|
|
|
declare <4 x i32> @test12_1(<4 x i32*>) argmemonly nounwind
|
|
; CHECK-NOT: readnone
|
|
; CHECK: define <4 x i32> @test12_2
|
|
define <4 x i32> @test12_2(<4 x i32*> %ptrs) {
|
|
%res = call <4 x i32> @test12_1(<4 x i32*> %ptrs)
|
|
ret <4 x i32> %res
|
|
}
|
|
|
|
; CHECK: define i32 @volatile_load(
|
|
; CHECK-NOT: readonly
|
|
; CHECK: ret
|
|
define i32 @volatile_load(i32* %p) {
|
|
%load = load volatile i32, i32* %p
|
|
ret i32 %load
|
|
}
|