1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
; 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
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
;
; 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
define linkonce void @inner1() alwaysinline {
; CHECK: Function Attrs: alwaysinline nofree norecurse nosync nounwind willreturn memory(none)
; CHECK-LABEL: define {{[^@]+}}@inner1
; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: ret void
;
entry:
ret void
}
define void @outer1() {
; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@outer1
; TUNIT-SAME: () #[[ATTR1:[0-9]+]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: ret void
;
; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@outer1
; CGSCC-SAME: () #[[ATTR1:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-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
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() {
; TUNIT: Function Attrs: norecurse
; TUNIT-LABEL: define {{[^@]+}}@outer2
; TUNIT-SAME: () #[[ATTR2:[0-9]+]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[R:%.*]] = call i32 @inner2() #[[ATTR3:[0-9]+]]
; TUNIT-NEXT: ret i32 [[R]]
;
; CGSCC-LABEL: define {{[^@]+}}@outer2() {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[R:%.*]] = call i32 @inner2() #[[ATTR2:[0-9]+]]
; CGSCC-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
define linkonce i32 @inner3(ptr %addr) alwaysinline {
; TUNIT: Function Attrs: alwaysinline
; TUNIT-LABEL: define {{[^@]+}}@inner3
; TUNIT-SAME: (ptr [[ADDR:%.*]]) #[[ATTR3]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: indirectbr ptr [[ADDR]], [label [[ONE:%.*]], label %two]
; TUNIT: one:
; TUNIT-NEXT: ret i32 42
; TUNIT: two:
; TUNIT-NEXT: ret i32 44
;
; CGSCC: Function Attrs: alwaysinline
; CGSCC-LABEL: define {{[^@]+}}@inner3
; CGSCC-SAME: (ptr [[ADDR:%.*]]) #[[ATTR2]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: indirectbr ptr [[ADDR]], [label [[ONE:%.*]], label %two]
; CGSCC: one:
; CGSCC-NEXT: ret i32 42
; CGSCC: two:
; CGSCC-NEXT: ret i32 44
;
entry:
indirectbr ptr %addr, [ label %one, label %two ]
one:
ret i32 42
two:
ret i32 44
}
define i32 @outer3(i32 %x) {
; TUNIT: Function Attrs: norecurse
; TUNIT-LABEL: define {{[^@]+}}@outer3
; TUNIT-SAME: (i32 [[X:%.*]]) #[[ATTR2]] {
; TUNIT-NEXT: [[CMP:%.*]] = icmp slt i32 [[X]], 42
; TUNIT-NEXT: [[ADDR:%.*]] = select i1 [[CMP]], ptr blockaddress(@inner3, [[ONE:%.*]]), ptr blockaddress(@inner3, [[TWO:%.*]])
; TUNIT-NEXT: [[CALL:%.*]] = call i32 @inner3(ptr [[ADDR]])
; TUNIT-NEXT: ret i32 [[CALL]]
;
; CGSCC-LABEL: define {{[^@]+}}@outer3
; CGSCC-SAME: (i32 [[X:%.*]]) {
; CGSCC-NEXT: [[CMP:%.*]] = icmp slt i32 [[X]], 42
; CGSCC-NEXT: [[ADDR:%.*]] = select i1 [[CMP]], ptr blockaddress(@inner3, [[ONE:%.*]]), ptr blockaddress(@inner3, [[TWO:%.*]])
; CGSCC-NEXT: [[CALL:%.*]] = call i32 @inner3(ptr [[ADDR]])
; CGSCC-NEXT: ret i32 [[CALL]]
;
%cmp = icmp slt i32 %x, 42
%addr = select i1 %cmp, ptr blockaddress(@inner3, %one), ptr blockaddress(@inner3, %two)
%call = call i32 @inner3(ptr %addr)
ret i32 %call
}
;.
; TUNIT: attributes #[[ATTR0]] = { alwaysinline nofree norecurse nosync nounwind willreturn memory(none) }
; TUNIT: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind willreturn memory(none) }
; TUNIT: attributes #[[ATTR2]] = { norecurse }
; TUNIT: attributes #[[ATTR3]] = { alwaysinline }
;.
; CGSCC: attributes #[[ATTR0]] = { alwaysinline nofree norecurse nosync nounwind willreturn memory(none) }
; CGSCC: attributes #[[ATTR1]] = { nofree nosync nounwind willreturn memory(none) }
; CGSCC: attributes #[[ATTR2]] = { alwaysinline }
;.
|