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|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
; RUN: opt -attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=9 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
; 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,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
; RUN: opt -attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
; IS__CGSSA____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
define i32 @leaf() {
; CHECK-LABEL: define {{[^@]+}}@leaf()
; CHECK-NEXT: ret i32 1
;
ret i32 1
}
; CHECK: Function Attrs
; CHECK-SAME: readnone
; CHECK-NOT: norecurse
define i32 @self_rec() {
; CHECK-LABEL: define {{[^@]+}}@self_rec()
; CHECK-NEXT: unreachable
;
%a = call i32 @self_rec()
ret i32 4
}
; CHECK: Function Attrs
; CHECK-SAME: readnone
; CHECK-NOT: norecurse
define i32 @indirect_rec() {
; CHECK-LABEL: define {{[^@]+}}@indirect_rec()
; CHECK-NEXT: unreachable
;
%a = call i32 @indirect_rec2()
ret i32 %a
}
; CHECK: Function Attrs
; CHECK-SAME: readnone
; CHECK-NOT: norecurse
define i32 @indirect_rec2() {
; CHECK-LABEL: define {{[^@]+}}@indirect_rec2()
; CHECK-NEXT: unreachable
;
%a = call i32 @indirect_rec()
ret i32 %a
}
; CHECK: Function Attrs
; CHECK-SAME: readnone
; CHECK-NOT: norecurse
define i32 @extern() {
; CHECK-LABEL: define {{[^@]+}}@extern()
; CHECK-NEXT: [[A:%.*]] = call i32 @k()
; CHECK-NEXT: ret i32 [[A]]
;
%a = call i32 @k()
ret i32 %a
}
; CHECK: Function Attrs
; CHECK-NEXT: declare i32 @k()
declare i32 @k() readnone
; CHECK: Function Attrs
; CHECK-NOT: norecurse
define void @intrinsic(i8* %dest, i8* %src, i32 %len) {
; CHECK-LABEL: define {{[^@]+}}@intrinsic
; CHECK-SAME: (i8* nocapture writeonly [[DEST:%.*]], i8* nocapture readonly [[SRC:%.*]], i32 [[LEN:%.*]])
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture writeonly [[DEST]], i8* noalias nocapture readonly [[SRC]], i32 [[LEN]], i1 false)
; CHECK-NEXT: ret void
;
call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 %len, i1 false)
ret void
}
; CHECK: Function Attrs
; CHECK-NEXT: declare void @llvm.memcpy.p0i8.p0i8.i32
declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i1)
; IS__TUNIT____: Function Attrs
; IS__TUNIT____-SAME: nosync readnone
; IS__CGSSA____: Function Attrs
; IS__CGSSA____-SAME: norecurse nosync readnone
define internal i32 @called_by_norecurse() {
; CHECK-LABEL: define {{[^@]+}}@called_by_norecurse()
; CHECK-NEXT: [[A:%.*]] = call i32 @k()
; CHECK-NEXT: ret i32 undef
;
%a = call i32 @k()
ret i32 %a
}
; CHECK: Function Attrs
define void @m() norecurse {
; CHECK-LABEL: define {{[^@]+}}@m()
; CHECK-NEXT: [[A:%.*]] = call i32 @called_by_norecurse()
; CHECK-NEXT: ret void
;
%a = call i32 @called_by_norecurse()
ret void
}
; CHECK: Function Attrs
; FIXME: norecurse missing
; CHECK-SAME: nosync readnone
define internal i32 @called_by_norecurse_indirectly() {
; CHECK-LABEL: define {{[^@]+}}@called_by_norecurse_indirectly()
; CHECK-NEXT: [[A:%.*]] = call i32 @k()
; CHECK-NEXT: ret i32 [[A]]
;
%a = call i32 @k()
ret i32 %a
}
; IS__TUNIT____: Function Attrs
; IS__TUNIT____-SAME: nosync readnone
; IS__CGSSA____: Function Attrs
; IS__CGSSA____-SAME: norecurse nosync readnone
define internal i32 @o() {
; CHECK-LABEL: define {{[^@]+}}@o()
; CHECK-NEXT: [[A:%.*]] = call i32 @called_by_norecurse_indirectly()
; CHECK-NEXT: ret i32 [[A]]
;
%a = call i32 @called_by_norecurse_indirectly()
ret i32 %a
}
define i32 @p() norecurse {
; CHECK-LABEL: define {{[^@]+}}@p()
; CHECK-NEXT: [[A:%.*]] = call i32 @o()
; CHECK-NEXT: ret i32 [[A]]
;
%a = call i32 @o()
ret i32 %a
}
; NOT_CGSCC_NPM: Function Attrs: nofree nosync nounwind
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
define void @f(i32 %x) {
; IS__TUNIT____-LABEL: define {{[^@]+}}@f
; IS__TUNIT____-SAME: (i32 [[X:%.*]])
; IS__TUNIT____-NEXT: entry:
; IS__TUNIT____-NEXT: [[X_ADDR:%.*]] = alloca i32, align 4
; IS__TUNIT____-NEXT: store i32 [[X]], i32* [[X_ADDR]], align 4
; IS__TUNIT____-NEXT: [[TMP0:%.*]] = load i32, i32* [[X_ADDR]], align 4
; IS__TUNIT____-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0
; IS__TUNIT____-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; IS__TUNIT____: if.then:
; IS__TUNIT____-NEXT: call void @g()
; IS__TUNIT____-NEXT: br label [[IF_END]]
; IS__TUNIT____: if.end:
; IS__TUNIT____-NEXT: ret void
;
; IS__CGSCC____-LABEL: define {{[^@]+}}@f
; IS__CGSCC____-SAME: (i32 [[X:%.*]])
; IS__CGSCC____-NEXT: entry:
; IS__CGSCC____-NEXT: [[X_ADDR:%.*]] = alloca i32, align 4
; IS__CGSCC____-NEXT: store i32 [[X]], i32* [[X_ADDR]], align 4
; IS__CGSCC____-NEXT: [[TMP0:%.*]] = load i32, i32* [[X_ADDR]], align 4
; IS__CGSCC____-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0
; IS__CGSCC____-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
; IS__CGSCC____: if.then:
; IS__CGSCC____-NEXT: br label [[IF_END]]
; IS__CGSCC____: if.end:
; IS__CGSCC____-NEXT: ret void
;
entry:
%x.addr = alloca i32, align 4
store i32 %x, i32* %x.addr, align 4
%0 = load i32, i32* %x.addr, align 4
%tobool = icmp ne i32 %0, 0
br i1 %tobool, label %if.then, label %if.end
if.then:
call void @g() norecurse
br label %if.end
if.end:
ret void
}
define void @g() norecurse {
; NOT_CGSCC_OPM-LABEL: define {{[^@]+}}@g()
; NOT_CGSCC_OPM-NEXT: entry:
; NOT_CGSCC_OPM-NEXT: ret void
;
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@g()
; IS__CGSCC_OPM-NEXT: entry:
; IS__CGSCC_OPM-NEXT: call void @f(i32 0)
; IS__CGSCC_OPM-NEXT: ret void
;
entry:
call void @f(i32 0)
ret void
}
; CHECK-NOT: Function Attrs
define linkonce_odr i32 @leaf_redefinable() {
; CHECK-LABEL: define {{[^@]+}}@leaf_redefinable()
; CHECK-NEXT: ret i32 1
;
ret i32 1
}
; Call through a function pointer
; CHECK-NOT: Function Attrs
define i32 @eval_func1(i32 (i32)* , i32) local_unnamed_addr {
; CHECK-LABEL: define {{[^@]+}}@eval_func1
; CHECK-SAME: (i32 (i32)* nocapture nofree nonnull [[TMP0:%.*]], i32 [[TMP1:%.*]]) local_unnamed_addr
; CHECK-NEXT: [[TMP3:%.*]] = tail call i32 [[TMP0]](i32 [[TMP1]])
; CHECK-NEXT: ret i32 [[TMP3]]
;
%3 = tail call i32 %0(i32 %1) #2
ret i32 %3
}
; CHECK: Function Attrs: null_pointer_is_valid
define i32 @eval_func2(i32 (i32)* , i32) local_unnamed_addr null_pointer_is_valid{
; CHECK-LABEL: define {{[^@]+}}@eval_func2
; CHECK-SAME: (i32 (i32)* nocapture nofree [[TMP0:%.*]], i32 [[TMP1:%.*]]) local_unnamed_addr
; CHECK-NEXT: [[TMP3:%.*]] = tail call i32 [[TMP0]](i32 [[TMP1]])
; CHECK-NEXT: ret i32 [[TMP3]]
;
%3 = tail call i32 %0(i32 %1) #2
ret i32 %3
}
; Call an unknown function in a dead block.
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
declare void @unknown()
define i32 @call_unknown_in_dead_block() local_unnamed_addr {
; CHECK-LABEL: define {{[^@]+}}@call_unknown_in_dead_block() local_unnamed_addr
; CHECK-NEXT: ret i32 0
; CHECK: Dead:
; CHECK-NEXT: unreachable
;
ret i32 0
Dead:
tail call void @unknown()
ret i32 1
}
|
