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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
declare void @unknown() nocallback
define i32 @many_writes_nosycn(i1 %c0, i1 %c1, i1 %c2) nosync {
; CHECK: Function Attrs: norecurse nosync
; CHECK-LABEL: define {{[^@]+}}@many_writes_nosycn
; CHECK-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]], i1 [[C2:%.*]]) #[[ATTR1:[0-9]+]] {
; CHECK-NEXT: [[P:%.*]] = alloca i32, align 4
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: br i1 [[C0]], label [[T0:%.*]], label [[F0:%.*]]
; CHECK: t0:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: br i1 [[C1]], label [[T1:%.*]], label [[M1:%.*]]
; CHECK: f0:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: br i1 [[C2]], label [[F1:%.*]], label [[M1]]
; CHECK: t1:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: store i32 7, ptr [[P]], align 4
; CHECK-NEXT: br label [[M2:%.*]]
; CHECK: f1:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: store i32 9, ptr [[P]], align 4
; CHECK-NEXT: br label [[M2]]
; CHECK: m1:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: store i32 11, ptr [[P]], align 4
; CHECK-NEXT: br label [[M2]]
; CHECK: m2:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: [[L:%.*]] = load i32, ptr [[P]], align 4
; CHECK-NEXT: ret i32 [[L]]
;
%p = alloca i32
store i32 0, ptr %p
call void @unknown()
store i32 1, ptr %p
br i1 %c0, label %t0, label %f0
t0:
store i32 2, ptr %p
call void @unknown()
store i32 3, ptr %p
br i1 %c1, label %t1, label %m1
f0:
store i32 4, ptr %p
call void @unknown()
store i32 5, ptr %p
br i1 %c2, label %f1, label %m1
t1:
store i32 6, ptr %p
call void @unknown()
store i32 7, ptr %p
br label %m2
f1:
store i32 8, ptr %p
call void @unknown()
store i32 9, ptr %p
br label %m2
m1:
store i32 10, ptr %p
call void @unknown()
store i32 11, ptr %p
br label %m2
m2:
call void @unknown()
%l = load i32, ptr %p
ret i32 %l
}
define i32 @many_writes(i1 %c0, i1 %c1, i1 %c2) {
; CHECK: Function Attrs: norecurse
; CHECK-LABEL: define {{[^@]+}}@many_writes
; CHECK-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]], i1 [[C2:%.*]]) #[[ATTR2:[0-9]+]] {
; CHECK-NEXT: [[P:%.*]] = alloca i32, align 4
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: br i1 [[C0]], label [[T0:%.*]], label [[F0:%.*]]
; CHECK: t0:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: br i1 [[C1]], label [[T1:%.*]], label [[M1:%.*]]
; CHECK: f0:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: br i1 [[C2]], label [[F1:%.*]], label [[M1]]
; CHECK: t1:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: store i32 7, ptr [[P]], align 4
; CHECK-NEXT: br label [[M2:%.*]]
; CHECK: f1:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: store i32 9, ptr [[P]], align 4
; CHECK-NEXT: br label [[M2]]
; CHECK: m1:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: store i32 11, ptr [[P]], align 4
; CHECK-NEXT: br label [[M2]]
; CHECK: m2:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: [[L:%.*]] = load i32, ptr [[P]], align 4
; CHECK-NEXT: ret i32 [[L]]
;
%p = alloca i32
store i32 0, ptr %p
call void @unknown()
store i32 1, ptr %p
br i1 %c0, label %t0, label %f0
t0:
store i32 2, ptr %p
call void @unknown()
store i32 3, ptr %p
br i1 %c1, label %t1, label %m1
f0:
store i32 4, ptr %p
call void @unknown()
store i32 5, ptr %p
br i1 %c2, label %f1, label %m1
t1:
store i32 6, ptr %p
call void @unknown()
store i32 7, ptr %p
br label %m2
f1:
store i32 8, ptr %p
call void @unknown()
store i32 9, ptr %p
br label %m2
m1:
store i32 10, ptr %p
call void @unknown()
store i32 11, ptr %p
br label %m2
m2:
call void @unknown()
%l = load i32, ptr %p
ret i32 %l
}
declare void @usei32(i32) nocallback
; Ensure we use 42, not undef, for %l in the usei32 call and %r in the return.
define internal i32 @remote_write_and_read(ptr %p) norecurse {
; TUNIT: Function Attrs: norecurse
; TUNIT-LABEL: define {{[^@]+}}@remote_write_and_read
; TUNIT-SAME: (ptr noalias nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR2]] {
; TUNIT-NEXT: call void @usei32(i32 noundef 42)
; TUNIT-NEXT: ret i32 undef
;
; CGSCC: Function Attrs: norecurse
; CGSCC-LABEL: define {{[^@]+}}@remote_write_and_read
; CGSCC-SAME: (ptr noalias nocapture nofree noundef nonnull align 4 dereferenceable(4) [[P:%.*]]) #[[ATTR2]] {
; CGSCC-NEXT: store i32 42, ptr [[P]], align 4
; CGSCC-NEXT: [[L:%.*]] = load i32, ptr [[P]], align 4
; CGSCC-NEXT: call void @usei32(i32 [[L]])
; CGSCC-NEXT: ret i32 [[L]]
;
store i32 42, ptr %p
%l = load i32, ptr %p
call void @usei32(i32 %l)
ret i32 %l
}
define i32 @local_stack_remote_write_and_read() norecurse {
; TUNIT: Function Attrs: norecurse
; TUNIT-LABEL: define {{[^@]+}}@local_stack_remote_write_and_read
; TUNIT-SAME: () #[[ATTR2]] {
; TUNIT-NEXT: [[A:%.*]] = alloca i32, align 4
; TUNIT-NEXT: [[R:%.*]] = call i32 @remote_write_and_read(ptr noalias nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[A]])
; TUNIT-NEXT: ret i32 42
;
; CGSCC: Function Attrs: norecurse
; CGSCC-LABEL: define {{[^@]+}}@local_stack_remote_write_and_read
; CGSCC-SAME: () #[[ATTR2]] {
; CGSCC-NEXT: [[A:%.*]] = alloca i32, align 4
; CGSCC-NEXT: [[R:%.*]] = call i32 @remote_write_and_read(ptr noalias nocapture nofree noundef nonnull align 4 dereferenceable(4) [[A]])
; CGSCC-NEXT: ret i32 [[R]]
;
%a = alloca i32
%r = call i32 @remote_write_and_read(ptr %a)
ret i32 %r
}
;.
; TUNIT: attributes #[[ATTR0:[0-9]+]] = { nocallback }
; TUNIT: attributes #[[ATTR1]] = { norecurse nosync }
; TUNIT: attributes #[[ATTR2]] = { norecurse }
;.
; CGSCC: attributes #[[ATTR0:[0-9]+]] = { nocallback }
; CGSCC: attributes #[[ATTR1]] = { norecurse nosync }
; CGSCC: attributes #[[ATTR2]] = { norecurse }
;.
|
