; RUN: opt < %s -functionattrs -S | FileCheck %s
@g = global i32* null ; <i32**> [#uses=1]
-; CHECK: define i32* @c1(i32* %q)
+; CHECK: define i32* @c1(i32* readnone %q)
define i32* @c1(i32* %q) {
ret i32* %q
}
; CHECK: define void @c2(i32* %q)
+; It would also be acceptable to mark %q as readnone. Update @c3 too.
define void @c2(i32* %q) {
store i32* %q, i32** @g
ret void
%tmp2 = lshr i32 %tmp, %bitno
%bit = and i32 %tmp2, 1
; subtle escape mechanism follows
- %lookup = getelementptr [2 x i1]* @lookup_table, i32 0, i32 %bit
- %val = load i1* %lookup
+ %lookup = getelementptr [2 x i1], [2 x i1]* @lookup_table, i32 0, i32 %bit
+ %val = load i1, i1* %lookup
ret i1 %val
}
declare void @throw_if_bit_set(i8*, i8) readonly
-; CHECK: define i1 @c6(i8* %q, i8 %bit)
+; CHECK: define i1 @c6(i8* readonly %q, i8 %bit)
define i1 @c6(i8* %q, i8 %bit) {
invoke void @throw_if_bit_set(i8* %q, i8 %bit)
to label %ret0 unwind label %ret1
%tmp = ptrtoint i32* %q to i32
%tmp2 = lshr i32 %tmp, %bitno
%bit = and i32 %tmp2, 1
- %lookup = getelementptr [2 x i1]* @lookup_table, i32 0, i32 %bit
+ %lookup = getelementptr [2 x i1], [2 x i1]* @lookup_table, i32 0, i32 %bit
ret i1* %lookup
}
-; CHECK: define i1 @c7(i32* %q, i32 %bitno)
+; CHECK: define i1 @c7(i32* readonly %q, i32 %bitno)
define i1 @c7(i32* %q, i32 %bitno) {
%ptr = call i1* @lookup_bit(i32* %q, i32 %bitno)
- %val = load i1* %ptr
+ %val = load i1, i1* %ptr
ret i1 %val
}
%y = phi i32* [ %q, %e ]
%tmp = bitcast i32* %x to i32* ; <i32*> [#uses=2]
%tmp2 = select i1 %b, i32* %tmp, i32* %y
- %val = load i32* %tmp2 ; <i32> [#uses=1]
+ %val = load i32, i32* %tmp2 ; <i32> [#uses=1]
+ store i32 0, i32* %tmp
+ store i32* %y, i32** @g
+ ret i32 %val
+}
+
+; CHECK: define i32 @nc1_addrspace(i32* %q, i32 addrspace(1)* nocapture %p, i1 %b)
+define i32 @nc1_addrspace(i32* %q, i32 addrspace(1)* %p, i1 %b) {
+e:
+ br label %l
+l:
+ %x = phi i32 addrspace(1)* [ %p, %e ]
+ %y = phi i32* [ %q, %e ]
+ %tmp = addrspacecast i32 addrspace(1)* %x to i32* ; <i32*> [#uses=2]
+ %tmp2 = select i1 %b, i32* %tmp, i32* %y
+ %val = load i32, i32* %tmp2 ; <i32> [#uses=1]
store i32 0, i32* %tmp
store i32* %y, i32** @g
ret i32 %val
}
declare void @external(i8*) readonly nounwind
-; CHECK: define void @nc4(i8* nocapture %p)
+; CHECK: define void @nc4(i8* nocapture readonly %p)
define void @nc4(i8* %p) {
call void @external(i8* %p)
ret void
ret void
}
-; CHECK: define void @test1_1(i8* nocapture %x1_1, i8* %y1_1)
+; CHECK: define void @test1_1(i8* nocapture readnone %x1_1, i8* %y1_1)
+; It would be acceptable to add readnone to %y1_1 and %y1_2.
define void @test1_1(i8* %x1_1, i8* %y1_1) {
call i8* @test1_2(i8* %x1_1, i8* %y1_1)
store i32* null, i32** @g
ret void
}
-; CHECK: define i8* @test1_2(i8* nocapture %x1_2, i8* %y1_2)
+; CHECK: define i8* @test1_2(i8* nocapture readnone %x1_2, i8* %y1_2)
define i8* @test1_2(i8* %x1_2, i8* %y1_2) {
call void @test1_1(i8* %x1_2, i8* %y1_2)
store i32* null, i32** @g
ret i8* %y1_2
}
-; CHECK: define void @test2(i8* nocapture %x2)
+; CHECK: define void @test2(i8* nocapture readnone %x2)
define void @test2(i8* %x2) {
call void @test2(i8* %x2)
store i32* null, i32** @g
ret void
}
-; CHECK: define void @test3(i8* nocapture %x3, i8* nocapture %y3, i8* nocapture %z3)
+; CHECK: define void @test3(i8* nocapture readnone %x3, i8* nocapture readnone %y3, i8* nocapture readnone %z3)
define void @test3(i8* %x3, i8* %y3, i8* %z3) {
call void @test3(i8* %z3, i8* %y3, i8* %x3)
store i32* null, i32** @g
ret void
}
-; CHECK: define i8* @test4_2(i8* nocapture %x4_2, i8* %y4_2, i8* nocapture %z4_2)
+; CHECK: define i8* @test4_2(i8* nocapture readnone %x4_2, i8* readnone %y4_2, i8* nocapture readnone %z4_2)
define i8* @test4_2(i8* %x4_2, i8* %y4_2, i8* %z4_2) {
call void @test4_1(i8* null)
store i32* null, i32** @g
; CHECK: define void @test6_2(i8* %x6_2, i8* nocapture %y6_2, i8* %z6_2)
define void @test6_2(i8* %x6_2, i8* %y6_2, i8* %z6_2) {
- call void (i8*, i8*, ...)* @test6_1(i8* %x6_2, i8* %y6_2, i8* %z6_2)
+ call void (i8*, i8*, ...) @test6_1(i8* %x6_2, i8* %y6_2, i8* %z6_2)
store i32* null, i32** @g
ret void
}