ae6ad31763
If the new signature has only readnone pointers we can remove any argmem effect from the function signature.
67 lines
3.1 KiB
LLVM
67 lines
3.1 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-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,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=CHECK,CGSCC
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target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
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define internal i32 @test(ptr %X, ptr %Y) {
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; CGSCC: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read)
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; CGSCC-LABEL: define {{[^@]+}}@test
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; CGSCC-SAME: (i32 [[TMP0:%.*]], ptr nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[Y:%.*]]) #[[ATTR0:[0-9]+]] {
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; CGSCC-NEXT: [[X_PRIV:%.*]] = alloca i32, align 4
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; CGSCC-NEXT: store i32 [[TMP0]], ptr [[X_PRIV]], align 4
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; CGSCC-NEXT: [[A:%.*]] = load i32, ptr [[X_PRIV]], align 4
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; CGSCC-NEXT: [[B:%.*]] = load i32, ptr [[Y]], align 4
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; CGSCC-NEXT: [[C:%.*]] = add i32 [[A]], [[B]]
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; CGSCC-NEXT: ret i32 [[C]]
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;
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%A = load i32, ptr %X
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%B = load i32, ptr %Y
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%C = add i32 %A, %B
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ret i32 %C
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}
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define internal i32 @caller(ptr %B) {
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; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@caller
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; CGSCC-SAME: (i32 [[TMP0:%.*]]) #[[ATTR1:[0-9]+]] {
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; CGSCC-NEXT: [[B_PRIV:%.*]] = alloca i32, align 4
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; CGSCC-NEXT: store i32 [[TMP0]], ptr [[B_PRIV]], align 4
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; CGSCC-NEXT: [[C:%.*]] = call i32 @test(i32 noundef 1, ptr noalias nocapture nofree noundef nonnull readonly align 4 dereferenceable(4) [[B_PRIV]]) #[[ATTR2:[0-9]+]]
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; CGSCC-NEXT: ret i32 [[C]]
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;
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%A = alloca i32
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store i32 1, ptr %A
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%C = call i32 @test(ptr %A, ptr %B)
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ret i32 %C
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}
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define i32 @callercaller() {
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; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
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; TUNIT-LABEL: define {{[^@]+}}@callercaller
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; TUNIT-SAME: () #[[ATTR0:[0-9]+]] {
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; TUNIT-NEXT: [[B:%.*]] = alloca i32, align 4
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; TUNIT-NEXT: ret i32 3
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;
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; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@callercaller
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; CGSCC-SAME: () #[[ATTR1]] {
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; CGSCC-NEXT: [[X:%.*]] = call i32 @caller(i32 noundef 2) #[[ATTR3:[0-9]+]]
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; CGSCC-NEXT: ret i32 [[X]]
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;
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%B = alloca i32
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store i32 2, ptr %B
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%X = call i32 @caller(ptr %B)
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ret i32 %X
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}
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;.
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; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
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;.
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; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) }
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; CGSCC: attributes #[[ATTR1]] = { mustprogress nofree nosync nounwind willreturn memory(none) }
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; CGSCC: attributes #[[ATTR2]] = { nofree willreturn memory(read) }
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; CGSCC: attributes #[[ATTR3]] = { nofree nosync willreturn }
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;.
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;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
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; CHECK: {{.*}}
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