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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=2 -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=2 -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
;
; When a function is marked `alwaysinline` and is able to be inlined,
; we can IPO its boundaries
; the function is not exactly defined, and marked alwaysinline and can be inlined,
; so the function can be analyzed
; CHECK: Function Attrs: alwaysinline
; CHECK-SAME: willreturn
define linkonce void @inner1() alwaysinline {
; CHECK-LABEL: define {{[^@]+}}@inner1()
; CHECK-NEXT: entry:
; CHECK-NEXT: ret void
;
entry:
ret void
}
; CHECK: Function Attrs:
; CHECK-SAME: willreturn
define void @outer1() {
; CHECK-LABEL: define {{[^@]+}}@outer1()
; CHECK-NEXT: entry:
; CHECK-NEXT: ret void
;
entry:
call void @inner1()
ret void
}
; The function is not alwaysinline and is not exactly defined
; so it will not be analyzed
; CHECK-NOT: Function Attrs:
define linkonce i32 @inner2() {
; CHECK-LABEL: define {{[^@]+}}@inner2()
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 1
;
entry:
ret i32 1
}
; CHECK-NOT: Function Attrs
define i32 @outer2() {
; CHECK-LABEL: define {{[^@]+}}@outer2()
; CHECK-NEXT: entry:
; CHECK-NEXT: [[R:%.*]] = call i32 @inner2()
; CHECK-NEXT: ret i32 [[R]]
;
entry:
%r = call i32 @inner2() alwaysinline
ret i32 %r
}
; This function cannot be inlined although it is marked alwaysinline
; it is `unexactly defined` and alwaysinline but cannot be inlined.
; so it will not be analyzed
; CHECK: Function Attrs:
; CHECK-NOT: nofree
; CHECK-NOT: nosync
; CHECK-NOT: nounwind
; CHECK-NOT: readnone
define linkonce i32 @inner3(i8* %addr) alwaysinline {
; CHECK-LABEL: define {{[^@]+}}@inner3
; CHECK-SAME: (i8* [[ADDR:%.*]])
; CHECK-NEXT: entry:
; CHECK-NEXT: indirectbr i8* [[ADDR]], [label [[ONE:%.*]], label %two]
; CHECK: one:
; CHECK-NEXT: ret i32 42
; CHECK: two:
; CHECK-NEXT: ret i32 44
;
entry:
indirectbr i8* %addr, [ label %one, label %two ]
one:
ret i32 42
two:
ret i32 44
}
; CHECK-NOT: Function Attrs:
define i32 @outer3(i32 %x) {
; CHECK-LABEL: define {{[^@]+}}@outer3
; CHECK-SAME: (i32 [[X:%.*]])
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[X]], 42
; CHECK-NEXT: [[ADDR:%.*]] = select i1 [[CMP]], i8* blockaddress(@inner3, [[ONE:%.*]]), i8* blockaddress(@inner3, [[TWO:%.*]])
; CHECK-NEXT: [[CALL:%.*]] = call i32 @inner3(i8* [[ADDR]])
; CHECK-NEXT: ret i32 [[CALL]]
;
%cmp = icmp slt i32 %x, 42
%addr = select i1 %cmp, i8* blockaddress(@inner3, %one), i8* blockaddress(@inner3, %two)
%call = call i32 @inner3(i8* %addr)
ret i32 %call
}
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