252 lines
12 KiB
LLVM
252 lines
12 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=7 -S < %s | FileCheck %s --check-prefixes=TUNIT
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CGSCC
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;
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define internal i8 @read_arg(i8* %p) {
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; CGSCC: Function Attrs: nofree norecurse nosync nounwind willreturn memory(argmem: read)
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; CGSCC-LABEL: define {{[^@]+}}@read_arg
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; CGSCC-SAME: (i8* nocapture nofree noundef nonnull readonly dereferenceable(1022) [[P:%.*]]) #[[ATTR0:[0-9]+]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[L:%.*]] = load i8, i8* [[P]], align 1
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; CGSCC-NEXT: ret i8 [[L]]
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;
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entry:
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%l = load i8, i8* %p, align 1
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ret i8 %l
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}
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define internal i8 @read_arg_index(i8* %p, i64 %index) {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(argmem: read)
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; TUNIT-LABEL: define {{[^@]+}}@read_arg_index
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; TUNIT-SAME: (i8* nocapture nofree noundef nonnull readonly align 2 dereferenceable(1022) [[P:%.*]]) #[[ATTR0:[0-9]+]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: [[L:%.*]] = load i8, i8* [[P]], align 2
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; TUNIT-NEXT: ret i8 [[L]]
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;
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; CGSCC: Function Attrs: nofree norecurse nosync nounwind willreturn memory(argmem: read)
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; CGSCC-LABEL: define {{[^@]+}}@read_arg_index
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; CGSCC-SAME: (i8* nocapture nofree noundef nonnull readonly dereferenceable(1022) [[P:%.*]]) #[[ATTR0]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[L:%.*]] = load i8, i8* [[P]], align 1
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; CGSCC-NEXT: ret i8 [[L]]
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;
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entry:
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%g = getelementptr inbounds i8, i8* %p, i64 %index
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%l = load i8, i8* %g, align 1
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ret i8 %l
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}
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define i8 @call_simplifiable_1() {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; TUNIT-LABEL: define {{[^@]+}}@call_simplifiable_1
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; TUNIT-SAME: () #[[ATTR1:[0-9]+]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
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; TUNIT-NEXT: [[I0:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 2
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; TUNIT-NEXT: ret i8 2
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;
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; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@call_simplifiable_1
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; CGSCC-SAME: () #[[ATTR1:[0-9]+]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
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; CGSCC-NEXT: [[I0:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 2
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; CGSCC-NEXT: store i8 2, i8* [[I0]], align 2
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; CGSCC-NEXT: [[R:%.*]] = call i8 @read_arg(i8* nocapture nofree noundef nonnull readonly align 2 dereferenceable(1022) [[I0]]) #[[ATTR3:[0-9]+]]
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; CGSCC-NEXT: ret i8 [[R]]
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;
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entry:
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%Bytes = alloca [1024 x i8], align 16
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%i0 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 2
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store i8 2, i8* %i0, align 1
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%r = call i8 @read_arg(i8* %i0)
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ret i8 %r
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}
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;;; Same as read_arg, but we need a copy to form distinct leaves in the callgraph.
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define internal i8 @read_arg_1(i8* %p) {
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; CGSCC: Function Attrs: nofree norecurse nosync nounwind willreturn memory(argmem: read)
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; CGSCC-LABEL: define {{[^@]+}}@read_arg_1
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; CGSCC-SAME: (i8* nocapture nofree noundef nonnull readonly dereferenceable(1) [[P:%.*]]) #[[ATTR0]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[L:%.*]] = load i8, i8* [[P]], align 1
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; CGSCC-NEXT: ret i8 [[L]]
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;
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entry:
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%l = load i8, i8* %p, align 1
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ret i8 %l
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}
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define internal i8 @sum_two_same_loads(i8* %p) {
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; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(argmem: read)
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; CGSCC-LABEL: define {{[^@]+}}@sum_two_same_loads
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; CGSCC-SAME: (i8* nocapture nofree noundef nonnull readonly dereferenceable(1022) [[P:%.*]]) #[[ATTR2:[0-9]+]] {
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; CGSCC-NEXT: [[X:%.*]] = call i8 @read_arg_1(i8* nocapture nofree noundef nonnull readonly dereferenceable(1022) [[P]]) #[[ATTR4:[0-9]+]]
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; CGSCC-NEXT: [[Y:%.*]] = call i8 @read_arg_1(i8* nocapture nofree noundef nonnull readonly dereferenceable(1022) [[P]]) #[[ATTR4]]
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; CGSCC-NEXT: [[Z:%.*]] = add nsw i8 [[X]], [[Y]]
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; CGSCC-NEXT: ret i8 [[Z]]
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;
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%x = call i8 @read_arg_1(i8* %p)
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%y = call i8 @read_arg_1(i8* %p)
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%z = add nsw i8 %x, %y
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ret i8 %z
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}
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define i8 @call_simplifiable_2() {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; TUNIT-LABEL: define {{[^@]+}}@call_simplifiable_2
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; TUNIT-SAME: () #[[ATTR1]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
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; TUNIT-NEXT: [[I0:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 2
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; TUNIT-NEXT: [[I1:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 3
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; TUNIT-NEXT: ret i8 4
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;
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; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@call_simplifiable_2
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; CGSCC-SAME: () #[[ATTR1]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
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; CGSCC-NEXT: [[I0:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 2
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; CGSCC-NEXT: store i8 2, i8* [[I0]], align 2
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; CGSCC-NEXT: [[I1:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 3
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; CGSCC-NEXT: store i8 3, i8* [[I1]], align 1
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; CGSCC-NEXT: [[R:%.*]] = call i8 @sum_two_same_loads(i8* nocapture nofree noundef nonnull readonly align 2 dereferenceable(1022) [[I0]]) #[[ATTR3]]
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; CGSCC-NEXT: ret i8 [[R]]
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;
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entry:
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%Bytes = alloca [1024 x i8], align 16
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%i0 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 2
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store i8 2, i8* %i0
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%i1 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 3
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store i8 3, i8* %i1
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%r = call i8 @sum_two_same_loads(i8* %i0)
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ret i8 %r
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}
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define i8 @call_not_simplifiable_1() {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; TUNIT-LABEL: define {{[^@]+}}@call_not_simplifiable_1
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; TUNIT-SAME: () #[[ATTR1]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
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; TUNIT-NEXT: [[I0:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 2
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; TUNIT-NEXT: store i8 2, i8* [[I0]], align 2
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; TUNIT-NEXT: [[R:%.*]] = call i8 @read_arg_index(i8* nocapture nofree noundef nonnull readonly align 2 dereferenceable(1022) [[I0]]) #[[ATTR2:[0-9]+]]
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; TUNIT-NEXT: ret i8 [[R]]
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;
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; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@call_not_simplifiable_1
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; CGSCC-SAME: () #[[ATTR1]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
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; CGSCC-NEXT: [[I0:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 2
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; CGSCC-NEXT: store i8 2, i8* [[I0]], align 2
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; CGSCC-NEXT: [[R:%.*]] = call i8 @read_arg_index(i8* nocapture nofree noundef nonnull readonly align 2 dereferenceable(1022) [[I0]]) #[[ATTR3]]
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; CGSCC-NEXT: ret i8 [[R]]
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;
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entry:
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%Bytes = alloca [1024 x i8], align 16
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%i0 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 2
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store i8 2, i8* %i0, align 1
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%r = call i8 @read_arg_index(i8* %i0, i64 0)
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ret i8 %r
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}
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;;; Same as read_arg, but we need a copy to form distinct leaves in the callgraph.
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define internal i8 @read_arg_2(i8* %p) {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(argmem: read)
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; TUNIT-LABEL: define {{[^@]+}}@read_arg_2
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; TUNIT-SAME: (i8* nocapture nofree noundef nonnull readonly dereferenceable(1021) [[P:%.*]]) #[[ATTR0]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: [[L:%.*]] = load i8, i8* [[P]], align 1
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; TUNIT-NEXT: ret i8 [[L]]
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;
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; CGSCC: Function Attrs: nofree norecurse nosync nounwind willreturn memory(argmem: read)
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; CGSCC-LABEL: define {{[^@]+}}@read_arg_2
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; CGSCC-SAME: (i8* nocapture nofree noundef nonnull readonly dereferenceable(1) [[P:%.*]]) #[[ATTR0]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[L:%.*]] = load i8, i8* [[P]], align 1
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; CGSCC-NEXT: ret i8 [[L]]
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;
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entry:
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%l = load i8, i8* %p, align 1
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ret i8 %l
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}
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define internal i8 @sum_two_different_loads(i8* %p, i8* %q) {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(argmem: read)
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; TUNIT-LABEL: define {{[^@]+}}@sum_two_different_loads
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; TUNIT-SAME: (i8* nocapture nofree noundef nonnull readonly align 2 dereferenceable(1022) [[P:%.*]], i8* nocapture nofree noundef nonnull readonly dereferenceable(1021) [[Q:%.*]]) #[[ATTR0]] {
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; TUNIT-NEXT: [[X:%.*]] = call i8 @read_arg_2(i8* nocapture nofree noundef nonnull readonly align 2 dereferenceable(1022) [[P]]) #[[ATTR2]]
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; TUNIT-NEXT: [[Y:%.*]] = call i8 @read_arg_2(i8* nocapture nofree noundef nonnull readonly dereferenceable(1021) [[Q]]) #[[ATTR2]]
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; TUNIT-NEXT: [[Z:%.*]] = add nsw i8 [[X]], [[Y]]
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; TUNIT-NEXT: ret i8 [[Z]]
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;
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; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(argmem: read)
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; CGSCC-LABEL: define {{[^@]+}}@sum_two_different_loads
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; CGSCC-SAME: (i8* nocapture nofree noundef nonnull readonly dereferenceable(1022) [[P:%.*]], i8* nocapture nofree noundef nonnull readonly dereferenceable(1021) [[Q:%.*]]) #[[ATTR2]] {
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; CGSCC-NEXT: [[X:%.*]] = call i8 @read_arg_2(i8* nocapture nofree noundef nonnull readonly dereferenceable(1022) [[P]]) #[[ATTR4]]
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; CGSCC-NEXT: [[Y:%.*]] = call i8 @read_arg_2(i8* nocapture nofree noundef nonnull readonly dereferenceable(1021) [[Q]]) #[[ATTR4]]
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; CGSCC-NEXT: [[Z:%.*]] = add nsw i8 [[X]], [[Y]]
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; CGSCC-NEXT: ret i8 [[Z]]
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;
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%x = call i8 @read_arg_2(i8* %p)
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%y = call i8 @read_arg_2(i8* %q)
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%z = add nsw i8 %x, %y
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ret i8 %z
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}
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define i8 @call_not_simplifiable_2() {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; TUNIT-LABEL: define {{[^@]+}}@call_not_simplifiable_2
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; TUNIT-SAME: () #[[ATTR1]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
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; TUNIT-NEXT: [[I0:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 2
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; TUNIT-NEXT: store i8 2, i8* [[I0]], align 2
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; TUNIT-NEXT: [[I1:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 3
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; TUNIT-NEXT: store i8 3, i8* [[I1]], align 1
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; TUNIT-NEXT: [[BASE:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 0
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; TUNIT-NEXT: [[R:%.*]] = call i8 @sum_two_different_loads(i8* nocapture nofree noundef nonnull readonly align 2 dereferenceable(1022) [[I0]], i8* nocapture nofree noundef nonnull readonly dereferenceable(1021) [[I1]]) #[[ATTR2]]
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; TUNIT-NEXT: ret i8 [[R]]
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;
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; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@call_not_simplifiable_2
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; CGSCC-SAME: () #[[ATTR1]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[BYTES:%.*]] = alloca [1024 x i8], align 16
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; CGSCC-NEXT: [[I0:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 2
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; CGSCC-NEXT: store i8 2, i8* [[I0]], align 2
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; CGSCC-NEXT: [[I1:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 3
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; CGSCC-NEXT: store i8 3, i8* [[I1]], align 1
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; CGSCC-NEXT: [[BASE:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 0
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; CGSCC-NEXT: [[R:%.*]] = call i8 @sum_two_different_loads(i8* nocapture nofree noundef nonnull readonly align 2 dereferenceable(1022) [[I0]], i8* nocapture nofree noundef nonnull readonly dereferenceable(1021) [[I1]]) #[[ATTR3]]
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; CGSCC-NEXT: ret i8 [[R]]
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;
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entry:
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%Bytes = alloca [1024 x i8], align 16
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%i0 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 2
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store i8 2, i8* %i0
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%i1 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 3
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store i8 3, i8* %i1
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%base = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 0
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%r = call i8 @sum_two_different_loads(i8* %i0, i8* %i1)
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ret i8 %r
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}
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;.
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; TUNIT: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind willreturn memory(argmem: read) }
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; TUNIT: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind willreturn memory(none) }
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; TUNIT: attributes #[[ATTR2]] = { nofree nosync nounwind willreturn }
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;.
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; CGSCC: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind willreturn memory(argmem: read) }
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; CGSCC: attributes #[[ATTR1]] = { nofree nosync nounwind willreturn memory(none) }
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; CGSCC: attributes #[[ATTR2]] = { nofree nosync nounwind willreturn memory(argmem: read) }
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; CGSCC: attributes #[[ATTR3]] = { willreturn }
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; CGSCC: attributes #[[ATTR4]] = { willreturn memory(read) }
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;.
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