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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-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=9 -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
define void @f() {
; TUNIT-LABEL: define {{[^@]+}}@f() {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[A:%.*]] = alloca i32, align 1
; TUNIT-NEXT: [[TMP0:%.*]] = load i32, ptr [[A]], align 1
; TUNIT-NEXT: call void @g(i32 [[TMP0]])
; TUNIT-NEXT: ret void
;
; CGSCC-LABEL: define {{[^@]+}}@f() {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: call void @g(i32 undef)
; CGSCC-NEXT: ret void
;
entry:
%a = alloca i32, align 1
call void @g(ptr %a)
ret void
}
define internal void @g(ptr %a) {
; CHECK-LABEL: define {{[^@]+}}@g
; CHECK-SAME: (i32 [[TMP0:%.*]]) {
; CHECK-NEXT: [[A_PRIV:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32 [[TMP0]], ptr [[A_PRIV]], align 4
; CHECK-NEXT: [[AA:%.*]] = load i32, ptr [[A_PRIV]], align 1
; CHECK-NEXT: call void @z(i32 [[AA]])
; CHECK-NEXT: ret void
;
%aa = load i32, ptr %a, align 1
call void @z(i32 %aa)
ret void
}
declare void @z(i32)
; Test2
; Different alignemnt privatizable arguments
define internal i32 @test(ptr %X, ptr %Y) {
; CGSCC: Function Attrs: nofree norecurse nosync nounwind willreturn memory(argmem: read)
; CGSCC-LABEL: define {{[^@]+}}@test
; CGSCC-SAME: (ptr nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[X:%.*]], i64 [[TMP0:%.*]]) #[[ATTR0:[0-9]+]] {
; CGSCC-NEXT: [[Y_PRIV:%.*]] = alloca i64, align 8
; CGSCC-NEXT: store i64 [[TMP0]], ptr [[Y_PRIV]], align 4
; CGSCC-NEXT: [[A:%.*]] = load i32, ptr [[X]], align 4
; CGSCC-NEXT: [[B:%.*]] = load i64, ptr [[Y_PRIV]], align 8
; CGSCC-NEXT: [[C:%.*]] = add i32 [[A]], 1
; CGSCC-NEXT: [[D:%.*]] = add i64 [[B]], 1
; CGSCC-NEXT: [[COND:%.*]] = icmp sgt i64 [[D]], -1
; CGSCC-NEXT: br i1 [[COND]], label [[RETURN1:%.*]], label [[RETURN2:%.*]]
; CGSCC: Return1:
; CGSCC-NEXT: ret i32 [[C]]
; CGSCC: Return2:
; CGSCC-NEXT: ret i32 [[A]]
;
%A = load i32, ptr %X
%B = load i64, ptr %Y
%C = add i32 %A, 1
%D = add i64 %B, 1
%cond = icmp sgt i64 %D, -1
br i1 %cond, label %Return1, label %Return2
Return1:
ret i32 %C
Return2:
ret i32 %A
}
define internal i32 @caller(ptr %A) {
; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(argmem: readwrite)
; CGSCC-LABEL: define {{[^@]+}}@caller
; CGSCC-SAME: (i32 [[TMP0:%.*]]) #[[ATTR1:[0-9]+]] {
; CGSCC-NEXT: [[A_PRIV:%.*]] = alloca i32, align 4
; CGSCC-NEXT: store i32 [[TMP0]], ptr [[A_PRIV]], align 4
; CGSCC-NEXT: [[C:%.*]] = call i32 @test(ptr noalias nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[A_PRIV]], i64 noundef 1) #[[ATTR3:[0-9]+]]
; CGSCC-NEXT: ret i32 [[C]]
;
%B = alloca i64
store i64 1, ptr %B
%C = call i32 @test(ptr %A, ptr %B)
ret i32 %C
}
define i32 @callercaller() {
; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@callercaller
; TUNIT-SAME: () #[[ATTR0:[0-9]+]] {
; TUNIT-NEXT: [[B:%.*]] = alloca i32, align 4
; TUNIT-NEXT: ret i32 3
;
; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@callercaller
; CGSCC-SAME: () #[[ATTR2:[0-9]+]] {
; CGSCC-NEXT: [[X:%.*]] = call i32 @caller(i32 noundef 2) #[[ATTR4:[0-9]+]]
; CGSCC-NEXT: ret i32 [[X]]
;
%B = alloca i32
store i32 2, ptr %B
%X = call i32 @caller(ptr %B)
ret i32 %X
}
;.
; TUNIT: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind willreturn memory(none) }
;.
; CGSCC: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind willreturn memory(argmem: read) }
; CGSCC: attributes #[[ATTR1]] = { nofree nosync nounwind willreturn memory(argmem: readwrite) }
; CGSCC: attributes #[[ATTR2]] = { nofree nosync nounwind willreturn memory(none) }
; CGSCC: attributes #[[ATTR3]] = { willreturn memory(read) }
; CGSCC: attributes #[[ATTR4]] = { nounwind willreturn }
;.
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