134 lines
4.6 KiB
LLVM
134 lines
4.6 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=2 -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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;
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; When a function is marked `alwaysinline` and is able to be inlined,
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; we can IPO its boundaries
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; the function is not exactly defined, and marked alwaysinline and can be inlined,
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; so the function can be analyzed
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define linkonce void @inner1() alwaysinline {
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; CHECK: Function Attrs: alwaysinline nofree norecurse nosync nounwind willreturn memory(none)
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; CHECK-LABEL: define {{[^@]+}}@inner1
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; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret void
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;
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entry:
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ret void
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}
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define void @outer1() {
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; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
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; TUNIT-LABEL: define {{[^@]+}}@outer1
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; TUNIT-SAME: () #[[ATTR1:[0-9]+]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: ret void
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;
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; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
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; CGSCC-LABEL: define {{[^@]+}}@outer1
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; CGSCC-SAME: () #[[ATTR1:[0-9]+]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: ret void
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;
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entry:
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call void @inner1()
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ret void
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}
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; The function is not alwaysinline and is not exactly defined
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; so it will not be analyzed
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define linkonce i32 @inner2() {
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; CHECK-LABEL: define {{[^@]+}}@inner2() {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i32 1
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;
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entry:
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ret i32 1
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}
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; CHECK-NOT: Function Attrs
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define i32 @outer2() {
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; TUNIT: Function Attrs: norecurse
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; TUNIT-LABEL: define {{[^@]+}}@outer2
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; TUNIT-SAME: () #[[ATTR2:[0-9]+]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: [[R:%.*]] = call i32 @inner2() #[[ATTR3:[0-9]+]]
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; TUNIT-NEXT: ret i32 [[R]]
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;
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; CGSCC-LABEL: define {{[^@]+}}@outer2() {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: [[R:%.*]] = call i32 @inner2() #[[ATTR2:[0-9]+]]
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; CGSCC-NEXT: ret i32 [[R]]
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;
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entry:
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%r = call i32 @inner2() alwaysinline
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ret i32 %r
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}
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; This function cannot be inlined although it is marked alwaysinline
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; it is `unexactly defined` and alwaysinline but cannot be inlined.
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; so it will not be analyzed
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define linkonce i32 @inner3(i8* %addr) alwaysinline {
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; TUNIT: Function Attrs: alwaysinline
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; TUNIT-LABEL: define {{[^@]+}}@inner3
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; TUNIT-SAME: (i8* [[ADDR:%.*]]) #[[ATTR3]] {
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; TUNIT-NEXT: entry:
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; TUNIT-NEXT: indirectbr i8* [[ADDR]], [label [[ONE:%.*]], label %two]
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; TUNIT: one:
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; TUNIT-NEXT: ret i32 42
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; TUNIT: two:
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; TUNIT-NEXT: ret i32 44
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;
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; CGSCC: Function Attrs: alwaysinline
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; CGSCC-LABEL: define {{[^@]+}}@inner3
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; CGSCC-SAME: (i8* [[ADDR:%.*]]) #[[ATTR2]] {
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; CGSCC-NEXT: entry:
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; CGSCC-NEXT: indirectbr i8* [[ADDR]], [label [[ONE:%.*]], label %two]
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; CGSCC: one:
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; CGSCC-NEXT: ret i32 42
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; CGSCC: two:
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; CGSCC-NEXT: ret i32 44
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;
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entry:
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indirectbr i8* %addr, [ label %one, label %two ]
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one:
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ret i32 42
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two:
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ret i32 44
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}
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define i32 @outer3(i32 %x) {
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; TUNIT: Function Attrs: norecurse
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; TUNIT-LABEL: define {{[^@]+}}@outer3
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; TUNIT-SAME: (i32 [[X:%.*]]) #[[ATTR2]] {
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; TUNIT-NEXT: [[CMP:%.*]] = icmp slt i32 [[X]], 42
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; TUNIT-NEXT: [[ADDR:%.*]] = select i1 [[CMP]], i8* blockaddress(@inner3, [[ONE:%.*]]), i8* blockaddress(@inner3, [[TWO:%.*]])
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; TUNIT-NEXT: [[CALL:%.*]] = call i32 @inner3(i8* [[ADDR]])
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; TUNIT-NEXT: ret i32 [[CALL]]
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;
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; CGSCC-LABEL: define {{[^@]+}}@outer3
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; CGSCC-SAME: (i32 [[X:%.*]]) {
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; CGSCC-NEXT: [[CMP:%.*]] = icmp slt i32 [[X]], 42
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; CGSCC-NEXT: [[ADDR:%.*]] = select i1 [[CMP]], i8* blockaddress(@inner3, [[ONE:%.*]]), i8* blockaddress(@inner3, [[TWO:%.*]])
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; CGSCC-NEXT: [[CALL:%.*]] = call i32 @inner3(i8* [[ADDR]])
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; CGSCC-NEXT: ret i32 [[CALL]]
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;
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%cmp = icmp slt i32 %x, 42
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%addr = select i1 %cmp, i8* blockaddress(@inner3, %one), i8* blockaddress(@inner3, %two)
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%call = call i32 @inner3(i8* %addr)
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ret i32 %call
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}
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;.
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; TUNIT: attributes #[[ATTR0]] = { alwaysinline nofree norecurse nosync nounwind willreturn memory(none) }
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; TUNIT: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind willreturn memory(none) }
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; TUNIT: attributes #[[ATTR2]] = { norecurse }
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; TUNIT: attributes #[[ATTR3]] = { alwaysinline }
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;.
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; CGSCC: attributes #[[ATTR0]] = { alwaysinline nofree norecurse nosync nounwind willreturn memory(none) }
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; CGSCC: attributes #[[ATTR1]] = { nofree nosync nounwind willreturn memory(none) }
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; CGSCC: attributes #[[ATTR2]] = { alwaysinline }
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;.
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