; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes ; RUN: opt -passes=attributor-cgscc -S < %s 2>&1 | FileCheck %s --check-prefixes=CHECK ; RUN: opt -passes=attributor-cgscc -disable-output -attributor-print-dep < %s 2>&1 | FileCheck %s --check-prefixes=GRAPH ; RUN: opt -passes=attributor-cgscc -disable-output -attributor-dump-dep-graph -attributor-depgraph-dot-filename-prefix=%t < %s 2>/dev/null ; RUN: FileCheck %s -input-file=%t_0.dot --check-prefix=DOT ; Test 0 ; ; test copied from the attributor introduction video: checkAndAdvance(), and the C code is: ; int *checkAndAdvance(int * __attribute__((aligned(16))) p) { ; if (*p == 0) ; return checkAndAdvance(p + 4); ; return p; ; } ; define i32* @checkAndAdvance(i32* align 16 %0) { ; CHECK: Function Attrs: argmemonly nofree nosync nounwind readonly ; CHECK-LABEL: define {{[^@]+}}@checkAndAdvance ; CHECK-SAME: (i32* nofree nonnull readonly align 16 dereferenceable(4) [[TMP0:%.*]]) [[ATTR0:#.*]] { ; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[TMP0]], align 16 ; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP2]], 0 ; CHECK-NEXT: br i1 [[TMP3]], label [[TMP4:%.*]], label [[TMP7:%.*]] ; CHECK: 4: ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 4 ; CHECK-NEXT: [[TMP6:%.*]] = call nonnull align 16 i32* @checkAndAdvance(i32* nofree nonnull readonly align 16 [[TMP5]]) [[ATTR1:#.*]] ; CHECK-NEXT: br label [[TMP8:%.*]] ; CHECK: 7: ; CHECK-NEXT: br label [[TMP8]] ; CHECK: 8: ; CHECK-NEXT: [[DOT0:%.*]] = phi i32* [ [[TMP6]], [[TMP4]] ], [ [[TMP0]], [[TMP7]] ] ; CHECK-NEXT: ret i32* [[DOT0]] ; %2 = load i32, i32* %0, align 4 %3 = icmp eq i32 %2, 0 br i1 %3, label %4, label %7 4: ; preds = %1 %5 = getelementptr inbounds i32, i32* %0, i64 4 %6 = call i32* @checkAndAdvance(i32* %5) br label %8 7: ; preds = %1 br label %8 8: ; preds = %7, %4 %.0 = phi i32* [ %6, %4 ], [ %0, %7 ] ret i32* %.0 } ; ; Check for graph ; ; GRAPH: [AAIsDead] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state Live[#BB 4/4][#TBEP 0][#KDE 1] ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAValueSimplify] for CtxI ' %3 = icmp eq i32 %2, 0' at position {flt: [@-1]} with state simplified ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAWillReturn] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state may-noreturn ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAUndefinedBehavior] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state undefined-behavior ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAValueSimplify] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state simplified ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAIsDead] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn_ret:checkAndAdvance [checkAndAdvance@-1]} with state assumed-live ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoUndef] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn_ret:checkAndAdvance [checkAndAdvance@-1]} with state may-undef-or-poison ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAReturnedValues] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state returns(#3)[#UC: 1] ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoUnwind] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state nounwind ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoUnwind] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state nounwind ; GRAPH-NEXT: updates [AANoUnwind] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state nounwind ; GRAPH-NEXT: updates [AANoUnwind] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state nounwind ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoSync] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state nosync ; GRAPH-NEXT: updates [AANoSync] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state nosync ; GRAPH-NEXT: updates [AANoSync] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state nosync ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAIsDead] for CtxI ' %2 = load i32, i32* %0, align 4' at position {flt: [@-1]} with state assumed-live ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAValueSimplify] for CtxI ' %2 = load i32, i32* %0, align 4' at position {flt: [@-1]} with state simplified ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAValueConstantRange] for CtxI ' %2 = load i32, i32* %0, align 4' at position {flt: [@-1]} with state range(32) ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAPotentialValues] for CtxI ' %2 = load i32, i32* %0, align 4' at position {flt: [@-1]} with state set-state(< {full-set} >) ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAIsDead] for CtxI ' %3 = icmp eq i32 %2, 0' at position {flt: [@-1]} with state assumed-live ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAIsDead] for CtxI ' br i1 %3, label %4, label %7' at position {flt: [@-1]} with state assumed-live ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoFree] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state nofree ; GRAPH-NEXT: updates [AANoFree] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state nofree ; GRAPH-NEXT: updates [AANoFree] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state nofree ; GRAPH-NEXT: updates [AANoFree] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state nofree ; GRAPH-NEXT: updates [AANoFree] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state nofree ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoReturn] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state may-return ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoRecurse] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state may-recurse ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAMemoryBehavior] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state readonly ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AAMemoryBehavior] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state readonly ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AAMemoryBehavior] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state readonly ; GRAPH-NEXT: updates [AAMemoryBehavior] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state readonly ; GRAPH-NEXT: updates [AAMemoryBehavior] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state readonly ; GRAPH-NEXT: updates [AAMemoryBehavior] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state readonly ; GRAPH-NEXT: updates [AAMemoryBehavior] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state readonly ; GRAPH-NEXT: updates [AAMemoryBehavior] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state readonly ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AAMemoryBehavior] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state readonly ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAMemoryLocation] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state memory:argument ; GRAPH-NEXT: updates [AAMemoryLocation] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state memory:argument ; GRAPH-NEXT: updates [AAMemoryLocation] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state memory:argument ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAHeapToStack] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state [H2S] Mallocs: 0 ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAValueSimplify] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn_ret:checkAndAdvance [checkAndAdvance@-1]} with state simplified ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAAlign] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn_ret:checkAndAdvance [checkAndAdvance@-1]} with state align<0-16> ; GRAPH-NEXT: updates [AAAlign] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state align<1-16> ; GRAPH-NEXT: updates [AAAlign] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state align<1-16> ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANonNull] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn_ret:checkAndAdvance [checkAndAdvance@-1]} with state nonnull ; GRAPH-NEXT: updates [AANonNull] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state nonnull ; GRAPH-NEXT: updates [AANonNull] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state nonnull ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoAlias] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn_ret:checkAndAdvance [checkAndAdvance@-1]} with state may-alias ; GRAPH-EMPTY: ; GRAPH-NEXT: [AADereferenceable] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn_ret:checkAndAdvance [checkAndAdvance@-1]} with state unknown-dereferenceable ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAIsDead] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed-live ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoUndef] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state may-undef-or-poison ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANonNull] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state nonnull ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoAlias] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state may-alias ; GRAPH-EMPTY: ; GRAPH-NEXT: [AADereferenceable] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state dereferenceable<4-4> ; GRAPH-EMPTY: ; GRAPH-NEXT: [AADereferenceable] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state unknown-dereferenceable ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANonNull] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state nonnull ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAAlign] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state align<16-16> ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAAlign] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state align<16-16> ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAMemoryBehavior] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state readonly ; GRAPH-NEXT: updates [AAMemoryBehavior] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state readonly ; GRAPH-NEXT: updates [AAMemoryBehavior] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state readonly ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoFree] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state nofree ; GRAPH-NEXT: updates [AANoFree] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state nofree ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAPrivatizablePtr] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state [no-priv] ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAIsDead] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state assumed-live ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoUnwind] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state nounwind ; GRAPH-NEXT: updates [AAIsDead] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state assumed-live ; GRAPH-NEXT: updates [AAIsDead] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state assumed-live ; GRAPH-NEXT: updates [AANoUnwind] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state nounwind ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAMemoryBehavior] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state readonly ; GRAPH-NEXT: updates [AAIsDead] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state assumed-live ; GRAPH-NEXT: updates [AAMemoryBehavior] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state readonly ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAIsDead] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state assumed-live ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAValueSimplify] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state simplified ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoUndef] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state may-undef-or-poison ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoCapture] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-NEXT: updates [AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position {arg: [@0]} with state assumed not-captured-maybe-returned ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoAlias] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state may-alias ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAMemoryBehavior] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state readonly ; GRAPH-NEXT: updates [AAMemoryLocation] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state memory:argument ; GRAPH-NEXT: updates [AAMemoryLocation] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state memory:argument ; GRAPH-NEXT: updates [AAMemoryLocation] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state memory:argument ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoFree] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state nofree ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAValueConstantRange] for CtxI ' %3 = icmp eq i32 %2, 0' at position {flt: [@-1]} with state range(1) ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAValueConstantRange] for CtxI <> at position {flt: [@-1]} with state range(32)<[0,1) / [0,1)> ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAPotentialValues] for CtxI ' %3 = icmp eq i32 %2, 0' at position {flt: [@-1]} with state set-state(< {full-set} >) ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoReturn] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state may-return ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoAlias] for CtxI ' %5 = getelementptr inbounds i32, i32* %0, i64 4' at position {flt: [@-1]} with state may-alias ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAValueSimplify] for CtxI ' %5 = getelementptr inbounds i32, i32* %0, i64 4' at position {flt: [@-1]} with state simplified ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoUndef] for CtxI ' %5 = getelementptr inbounds i32, i32* %0, i64 4' at position {flt: [@-1]} with state may-undef-or-poison ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAValueSimplify] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state simplified ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAAlign] for CtxI ' %5 = getelementptr inbounds i32, i32* %0, i64 4' at position {flt: [@-1]} with state align<16-16> ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANonNull] for CtxI ' %5 = getelementptr inbounds i32, i32* %0, i64 4' at position {flt: [@-1]} with state nonnull ; GRAPH-NEXT: updates [AANonNull] for CtxI ' %5 = getelementptr inbounds i32, i32* %0, i64 4' at position {flt: [@-1]} with state nonnull ; GRAPH-NEXT: updates [AANonNull] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_arg: [@0]} with state nonnull ; GRAPH-NEXT: updates [AANonNull] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn_ret:checkAndAdvance [checkAndAdvance@-1]} with state nonnull ; GRAPH-NEXT: updates [AANonNull] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn_ret:checkAndAdvance [checkAndAdvance@-1]} with state nonnull ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAIsDead] for CtxI ' ret i32* %.0' at position {flt: [@-1]} with state assumed-live ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAIsDead] for CtxI ' br label %8' at position {flt: [@-1]} with state assumed-live ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAIsDead] for CtxI ' %5 = getelementptr inbounds i32, i32* %0, i64 4' at position {flt: [@-1]} with state assumed-live ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAWillReturn] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state may-noreturn ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoRecurse] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state may-recurse ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoSync] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state nosync ; GRAPH-NEXT: updates [AANoSync] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state nosync ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANoFree] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state nofree ; GRAPH-NEXT: updates [AANoFree] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state nofree ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAMemoryLocation] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs: [@-1]} with state memory:argument ; GRAPH-NEXT: updates [AAMemoryLocation] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn:checkAndAdvance [checkAndAdvance@-1]} with state memory:argument ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAIsDead] for CtxI ' br label %8' at position {flt: [@-1]} with state assumed-live ; GRAPH-EMPTY: ; GRAPH-NEXT: [AAAlign] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state align<1-16> ; GRAPH-NEXT: updates [AAAlign] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn_ret:checkAndAdvance [checkAndAdvance@-1]} with state align<0-16> ; GRAPH-EMPTY: ; GRAPH-NEXT: [AADereferenceable] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state unknown-dereferenceable ; GRAPH-EMPTY: ; GRAPH-NEXT: [AANonNull] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position {cs_ret: [@-1]} with state nonnull ; GRAPH-NEXT: updates [AANonNull] for CtxI ' %2 = load i32, i32* %0, align 4' at position {fn_ret:checkAndAdvance [checkAndAdvance@-1]} with state nonnull ; GRAPH-EMPTY: ; GRAPH-NEXT: [AADereferenceable] for CtxI ' %5 = getelementptr inbounds i32, i32* %0, i64 4' at position {flt: [@-1]} with state unknown-dereferenceable ; GRAPH-NOT: update ; ; Check for .dot file ; ; DOT-DAG: Node[[Node6:0x[a-z0-9]+]] [shape=record,label="{[AANoUnwind] for CtxI ' %2 = load i32, i32* %0, align 4' at position \{fn:checkAndAdvance [checkAndAdvance@-1]\} ; DOT-DAG: Node[[Node34:0x[a-z0-9]+]] [shape=record,label="{[AANoCapture] for CtxI ' %2 = load i32, i32* %0, align 4' at position \{arg: [@0]\} ; DOT-DAG: Node[[Node39:0x[a-z0-9]+]] [shape=record,label="{[AANoUnwind] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs: [@-1]\} ; DOT-DAG: Node[[Node7:0x[a-z0-9]+]] [shape=record,label="{[AANoSync] for CtxI ' %2 = load i32, i32* %0, align 4' at position \{fn:checkAndAdvance [checkAndAdvance@-1]\} ; DOT-DAG: Node[[Node61:0x[a-z0-9]+]] [shape=record,label="{[AANoSync] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs: [@-1]\} ; DOT-DAG: Node[[Node13:0x[a-z0-9]+]] [shape=record,label="{[AANoFree] for CtxI ' %2 = load i32, i32* %0, align 4' at position \{fn:checkAndAdvance [checkAndAdvance@-1]\} ; DOT-DAG: Node[[Node36:0x[a-z0-9]+]] [shape=record,label="{[AANoFree] for CtxI ' %2 = load i32, i32* %0, align 4' at position \{arg: [@0]\} ; DOT-DAG: Node[[Node62:0x[a-z0-9]+]] [shape=record,label="{[AANoFree] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs: [@-1]\} ; DOT-DAG: Node[[Node16:0x[a-z0-9]+]] [shape=record,label="{[AAMemoryBehavior] for CtxI ' %2 = load i32, i32* %0, align 4' at position \{fn:checkAndAdvance [checkAndAdvance@-1]\} ; DOT-DAG: Node[[Node35:0x[a-z0-9]+]] [shape=record,label="{[AAMemoryBehavior] for CtxI ' %2 = load i32, i32* %0, align 4' at position \{arg: [@0]\} ; DOT-DAG: Node[[Node40:0x[a-z0-9]+]] [shape=record,label="{[AAMemoryBehavior] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs: [@-1]\} ; DOT-DAG: Node[[Node17:0x[a-z0-9]+]] [shape=record,label="{[AAMemoryLocation] for CtxI ' %2 = load i32, i32* %0, align 4' at position \{fn:checkAndAdvance [checkAndAdvance@-1]\} ; DOT-DAG: Node[[Node63:0x[a-z0-9]+]] [shape=record,label="{[AAMemoryLocation] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs: [@-1]\} ; DOT-DAG: Node[[Node22:0x[a-z0-9]+]] [shape=record,label="{[AAAlign] for CtxI ' %2 = load i32, i32* %0, align 4' at position \{fn_ret:checkAndAdvance [checkAndAdvance@-1]\} ; DOT-DAG: Node[[Node65:0x[a-z0-9]+]] [shape=record,label="{[AAAlign] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs_ret: [@-1]\} ; DOT-DAG: Node[[Node23:0x[a-z0-9]+]] [shape=record,label="{[AANonNull] for CtxI ' %2 = load i32, i32* %0, align 4' at position \{fn_ret:checkAndAdvance [checkAndAdvance@-1]\} ; DOT-DAG: Node[[Node67:0x[a-z0-9]+]] [shape=record,label="{[AANonNull] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs_ret: [@-1]\} ; DOT-DAG: Node[[Node43:0x[a-z0-9]+]] [shape=record,label="{[AANoCapture] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs_arg: [@0]\} ; DOT-DAG: Node[[Node45:0x[a-z0-9]+]] [shape=record,label="{[AAMemoryBehavior] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs_arg: [@0]\} ; DOT-DAG: Node[[Node46:0x[a-z0-9]+]] [shape=record,label="{[AANoFree] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs_arg: [@0]\} ; DOT-DAG: Node[[Node38:0x[a-z0-9]+]] [shape=record,label="{[AAIsDead] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs_ret: [@-1]\} ; DOT-DAG: Node[[Node55:0x[a-z0-9]+]] [shape=record,label="{[AANonNull] for CtxI ' %5 = getelementptr inbounds i32, i32* %0, i64 4' at position \{flt: [@-1]\} ; DOT-DAG: Node[[Node31:0x[a-x0-9]+]] [shape=record,label="{[AANonNull] for CtxI ' %6 = call i32* @checkAndAdvance(i32* %5)' at position \{cs_arg: [@0]\} ; DOT-DAG: Node[[Node6]] -> Node[[Node34]] ; DOT-DAG: Node[[Node6]] -> Node[[Node39]] ; DOT-DAG: Node[[Node7]] -> Node[[Node61]] ; DOT-DAG: Node[[Node13]] -> Node[[Node36]] ; DOT-DAG: Node[[Node13]] -> Node[[Node62]] ; DOT-DAG: Node[[Node16]] -> Node[[Node34]] ; DOT-DAG: Node[[Node16]] -> Node[[Node35]] ; DOT-DAG: Node[[Node16]] -> Node[[Node40]] ; DOT-DAG: Node[[Node17]] -> Node[[Node63]] ; DOT-DAG: Node[[Node22]] -> Node[[Node65]] ; DOT-DAG: Node[[Node23]] -> Node[[Node67]] ; DOT-DAG: Node[[Node34]] -> Node[[Node43]] ; DOT-DAG: Node[[Node35]] -> Node[[Node45]] ; DOT-DAG: Node[[Node36]] -> Node[[Node46]] ; DOT-DAG: Node[[Node39]] -> Node[[Node38]] ; DOT-DAG: Node[[Node39]] -> Node[[Node6]] ; DOT-DAG: Node[[Node40]] -> Node[[Node38]] ; DOT-DAG: Node[[Node40]] -> Node[[Node16]] ; DOT-DAG: Node[[Node43]] -> Node[[Node34]] ; DOT-DAG: Node[[Node45]] -> Node[[Node17]] ; DOT-DAG: Node[[Node55]] -> Node[[Node55]] ; DOT-DAG: Node[[Node55]] -> Node[[Node31]] ; DOT-DAG: Node[[Node55]] -> Node[[Node23]] ; DOT-DAG: Node[[Node61]] -> Node[[Node7]] ; DOT-DAG: Node[[Node62]] -> Node[[Node13]] ; DOT-DAG: Node[[Node63]] -> Node[[Node17]] ; DOT-DAG: Node[[Node65]] -> Node[[Node22]] ; DOT-DAG: Node[[Node67]] -> Node[[Node23]]