9ed2f14c87
IR is now always parsed in opaque pointer mode, unless -opaque-pointers=0 is explicitly given. There is no automatic detection of typed pointers anymore. The -opaque-pointers=0 option is added to any remaining IR tests that haven't been migrated yet. Differential Revision: https://reviews.llvm.org/D141912
298 lines
15 KiB
LLVM
298 lines
15 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 -opaque-pointers=0 -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 -opaque-pointers=0 -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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; 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 align 16 dereferenceable(1024) [[P:%.*]]) #[[ATTR0]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[G:%.*]] = getelementptr inbounds i8, i8* [[P]], i64 2
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; CGSCC-NEXT: [[L:%.*]] = load i8, i8* [[G]], 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: () #[[ATTR0:[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]]) #[[ATTR4:[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]]) #[[ATTR5:[0-9]+]]
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; CGSCC-NEXT: [[Y:%.*]] = call i8 @read_arg_1(i8* nocapture nofree noundef nonnull readonly dereferenceable(1022) [[P]]) #[[ATTR5]]
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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: () #[[ATTR0]] {
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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]]) #[[ATTR4]]
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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_simplifiable_3() {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; TUNIT-LABEL: define {{[^@]+}}@call_simplifiable_3
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; TUNIT-SAME: () #[[ATTR0]] {
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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: [[I2:%.*]] = 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_3
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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 0
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; CGSCC-NEXT: [[I2:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 2
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; CGSCC-NEXT: store i8 2, i8* [[I2]], align 2
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; CGSCC-NEXT: [[R:%.*]] = call i8 @read_arg_index(i8* nocapture nofree noundef nonnull readonly align 16 dereferenceable(1024) [[I0]]) #[[ATTR4]]
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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 0
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%i2 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 2
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store i8 2, i8* %i2, align 1
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%r = call i8 @read_arg_index(i8* %i0, i64 2)
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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(971) [[P:%.*]]) #[[ATTR1:[0-9]+]] {
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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 nonnull readonly dereferenceable(972) [[P:%.*]], i8* nocapture nofree noundef nonnull readonly dereferenceable(971) [[Q:%.*]]) #[[ATTR1]] {
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; TUNIT-NEXT: [[X:%.*]] = call i8 @read_arg_2(i8* nocapture nofree nonnull readonly dereferenceable(972) [[P]]) #[[ATTR3:[0-9]+]]
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; TUNIT-NEXT: [[Y:%.*]] = call i8 @read_arg_2(i8* nocapture nofree noundef nonnull readonly dereferenceable(971) [[Q]]) #[[ATTR3]]
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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(972) [[P:%.*]], i8* nocapture nofree noundef nonnull readonly dereferenceable(971) [[Q:%.*]]) #[[ATTR2]] {
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; CGSCC-NEXT: [[X:%.*]] = call i8 @read_arg_2(i8* nocapture nofree noundef nonnull readonly dereferenceable(972) [[P]]) #[[ATTR5]]
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; CGSCC-NEXT: [[Y:%.*]] = call i8 @read_arg_2(i8* nocapture nofree noundef nonnull readonly dereferenceable(971) [[Q]]) #[[ATTR5]]
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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_partially_simplifiable_1() {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; TUNIT-LABEL: define {{[^@]+}}@call_partially_simplifiable_1
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; TUNIT-SAME: () #[[ATTR0]] {
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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: [[I2:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 2
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; TUNIT-NEXT: store i8 2, i8* [[I2]], align 2
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; TUNIT-NEXT: [[I3:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 3
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; TUNIT-NEXT: store i8 3, i8* [[I3]], align 1
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; TUNIT-NEXT: [[I4:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 4
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; TUNIT-NEXT: [[R:%.*]] = call i8 @sum_two_different_loads(i8* nocapture nofree noundef nonnull readonly align 2 dereferenceable(1022) [[I2]], i8* nocapture nofree noundef nonnull readonly dereferenceable(1021) [[I3]]) #[[ATTR3]]
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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_partially_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: [[I2:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 2
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; CGSCC-NEXT: store i8 2, i8* [[I2]], align 2
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; CGSCC-NEXT: [[I3:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 3
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; CGSCC-NEXT: store i8 3, i8* [[I3]], align 1
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; CGSCC-NEXT: [[I4:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 4
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; CGSCC-NEXT: store i8 4, i8* [[I4]], align 4
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; CGSCC-NEXT: [[R:%.*]] = call i8 @sum_two_different_loads(i8* nocapture nofree noundef nonnull readonly align 2 dereferenceable(1022) [[I2]], i8* nocapture nofree noundef nonnull readonly dereferenceable(1021) [[I3]]) #[[ATTR4]]
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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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%i2 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 2
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store i8 2, i8* %i2
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%i3 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 3
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store i8 3, i8* %i3
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%i4 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 4
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;;; This store is redundant, hence removed.
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store i8 4, i8* %i4
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%r = call i8 @sum_two_different_loads(i8* %i2, i8* %i3)
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ret i8 %r
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}
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define i8 @call_partially_simplifiable_2(i1 %cond) {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn
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; TUNIT-LABEL: define {{[^@]+}}@call_partially_simplifiable_2
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; TUNIT-SAME: (i1 [[COND:%.*]]) #[[ATTR2:[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: [[I51:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 51
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; TUNIT-NEXT: [[I52:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 52
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; TUNIT-NEXT: store i8 2, i8* [[I52]], align 4
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; TUNIT-NEXT: [[I53:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 53
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; TUNIT-NEXT: store i8 3, i8* [[I53]], align 1
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; TUNIT-NEXT: [[I54:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 54
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; TUNIT-NEXT: [[SEL:%.*]] = select i1 [[COND]], i8* [[I51]], i8* [[I52]]
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; TUNIT-NEXT: [[R:%.*]] = call i8 @sum_two_different_loads(i8* nocapture nofree nonnull readonly dereferenceable(972) [[SEL]], i8* nocapture nofree noundef nonnull readonly dereferenceable(971) [[I53]]) #[[ATTR3]]
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; TUNIT-NEXT: ret i8 [[R]]
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;
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; CGSCC: Function Attrs: nofree nosync nounwind willreturn
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; CGSCC-LABEL: define {{[^@]+}}@call_partially_simplifiable_2
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; CGSCC-SAME: (i1 [[COND:%.*]]) #[[ATTR3:[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: [[I51:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 51
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; CGSCC-NEXT: [[I52:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 52
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; CGSCC-NEXT: store i8 2, i8* [[I52]], align 4
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; CGSCC-NEXT: [[I53:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 53
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; CGSCC-NEXT: store i8 3, i8* [[I53]], align 1
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; CGSCC-NEXT: [[I54:%.*]] = getelementptr inbounds [1024 x i8], [1024 x i8]* [[BYTES]], i64 0, i64 54
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; CGSCC-NEXT: store i8 4, i8* [[I54]], align 2
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; CGSCC-NEXT: [[SEL:%.*]] = select i1 [[COND]], i8* [[I51]], i8* [[I52]]
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; CGSCC-NEXT: [[R:%.*]] = call i8 @sum_two_different_loads(i8* nocapture nofree noundef nonnull readonly dereferenceable(972) [[SEL]], i8* nocapture nofree noundef nonnull readonly dereferenceable(971) [[I53]]) #[[ATTR4]]
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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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%i51 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 51
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%i52 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 52
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store i8 2, i8* %i52
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%i53 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 53
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store i8 3, i8* %i53
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%i54 = getelementptr inbounds [1024 x i8], [1024 x i8]* %Bytes, i64 0, i64 54
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;;; This store is redundant, hence removed. Not affected by the select.
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store i8 4, i8* %i54
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%sel = select i1 %cond, i8* %i51, i8 *%i52
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%r = call i8 @sum_two_different_loads(i8* %sel, i8* %i53)
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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(none) }
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; TUNIT: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind willreturn memory(argmem: read) }
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; TUNIT: attributes #[[ATTR2]] = { nofree norecurse nosync nounwind willreturn }
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; TUNIT: attributes #[[ATTR3]] = { 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]] = { nofree nosync nounwind willreturn }
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; CGSCC: attributes #[[ATTR4]] = { willreturn }
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; CGSCC: attributes #[[ATTR5]] = { willreturn memory(read) }
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;.
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