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; 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
; PR5569
; IPSCCP should prove that the blocks are dead and delete them, and
; properly handle the dangling blockaddress constants.
@code = global [5 x i32] [i32 0, i32 0, i32 0, i32 0, i32 1], align 4 ; <ptr> [#uses=0]
@bar.l = internal constant [2 x ptr] [ptr blockaddress(@bar, %lab0), ptr blockaddress(@bar, %end)] ; <ptr> [#uses=1]
;.
; TUNIT: @[[CODE:[a-zA-Z0-9_$"\\.-]+]] = global [5 x i32] [i32 0, i32 0, i32 0, i32 0, i32 1], align 4
; TUNIT: @[[BAR_L:[a-zA-Z0-9_$"\\.-]+]] = internal constant [2 x ptr] [ptr inttoptr (i32 1 to ptr), ptr inttoptr (i32 1 to ptr)]
;.
; CGSCC: @[[CODE:[a-zA-Z0-9_$"\\.-]+]] = global [5 x i32] [i32 0, i32 0, i32 0, i32 0, i32 1], align 4
; CGSCC: @[[BAR_L:[a-zA-Z0-9_$"\\.-]+]] = internal constant [2 x ptr] [ptr blockaddress(@bar, [[LAB0:%.*]]), ptr blockaddress(@bar, [[END:%.*]])]
;.
define internal void @foo(i32 %x) nounwind readnone {
; CGSCC: Function Attrs: nounwind memory(none)
; CGSCC-LABEL: define {{[^@]+}}@foo
; CGSCC-SAME: (i32 [[X:%.*]]) #[[ATTR0:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[B:%.*]] = alloca i32, align 4
; CGSCC-NEXT: store volatile i32 -1, ptr [[B]], align 4
; CGSCC-NEXT: ret void
;
entry:
%b = alloca i32, align 4 ; <ptr> [#uses=1]
store volatile i32 -1, ptr %b
ret void
}
define internal void @bar(ptr nocapture %pc) nounwind readonly {
; CGSCC: Function Attrs: nounwind memory(read)
; CGSCC-LABEL: define {{[^@]+}}@bar
; CGSCC-SAME: (ptr nocapture [[PC:%.*]]) #[[ATTR1:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: br label [[INDIRECTGOTO:%.*]]
; CGSCC: lab0:
; CGSCC-NEXT: [[INDVAR_NEXT:%.*]] = add i32 [[INDVAR:%.*]], 1
; CGSCC-NEXT: br label [[INDIRECTGOTO]]
; CGSCC: end:
; CGSCC-NEXT: ret void
; CGSCC: indirectgoto:
; CGSCC-NEXT: [[INDVAR]] = phi i32 [ [[INDVAR_NEXT]], [[LAB0:%.*]] ], [ 0, [[ENTRY:%.*]] ]
; CGSCC-NEXT: [[PC_ADDR_0:%.*]] = getelementptr i32, ptr [[PC]], i32 [[INDVAR]]
; CGSCC-NEXT: [[TMP1_PN:%.*]] = load i32, ptr [[PC_ADDR_0]], align 4
; CGSCC-NEXT: [[INDIRECT_GOTO_DEST_IN:%.*]] = getelementptr inbounds [2 x ptr], ptr @bar.l, i32 0, i32 [[TMP1_PN]]
; CGSCC-NEXT: [[INDIRECT_GOTO_DEST:%.*]] = load ptr, ptr [[INDIRECT_GOTO_DEST_IN]], align 8
; CGSCC-NEXT: indirectbr ptr [[INDIRECT_GOTO_DEST]], [label [[LAB0]], label %end]
;
entry:
br label %indirectgoto
lab0: ; preds = %indirectgoto
%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
br label %indirectgoto
end: ; preds = %indirectgoto
ret void
indirectgoto: ; preds = %lab0, %entry
%indvar = phi i32 [ %indvar.next, %lab0 ], [ 0, %entry ] ; <i32> [#uses=2]
%pc.addr.0 = getelementptr i32, ptr %pc, i32 %indvar ; <ptr> [#uses=1]
%tmp1.pn = load i32, ptr %pc.addr.0 ; <i32> [#uses=1]
%indirect.goto.dest.in = getelementptr inbounds [2 x ptr], ptr @bar.l, i32 0, i32 %tmp1.pn ; <ptr> [#uses=1]
%indirect.goto.dest = load ptr, ptr %indirect.goto.dest.in ; <ptr> [#uses=1]
indirectbr ptr %indirect.goto.dest, [label %lab0, label %end]
}
define i32 @main() nounwind readnone {
; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@main
; TUNIT-SAME: () #[[ATTR0:[0-9]+]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: ret i32 0
;
; CGSCC: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@main
; CGSCC-SAME: () #[[ATTR2:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: ret i32 0
;
entry:
ret i32 0
}
;.
; TUNIT: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind willreturn memory(none) }
;.
; CGSCC: attributes #[[ATTR0]] = { nounwind memory(none) }
; CGSCC: attributes #[[ATTR1]] = { nounwind memory(read) }
; CGSCC: attributes #[[ATTR2]] = { nofree norecurse nosync nounwind willreturn memory(none) }
;.
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK: {{.*}}
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