forked from OSchip/llvm-project
117 lines
4.5 KiB
LLVM
117 lines
4.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
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; RUN: opt -attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
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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=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
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; 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
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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,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
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; The original C source looked like this:
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;
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; long long a101, b101, e101;
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; volatile long c101;
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; int d101;
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;
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; static inline int bar(p1, p2)
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; {
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; return 0;
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; }
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;
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; void foo(unsigned p1)
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; {
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; long long *f = &b101, *g = &e101;
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; c101 = 0;
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; (void)((*f |= a101) - (*g = bar(d101)));
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; c101 = (*f |= a101 &= p1) == d101;
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; }
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;
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; When compiled with Clang it gives a warning
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; warning: too few arguments in call to 'bar'
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;
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; This ll reproducer has been reduced to only include tha call.
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;
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; Note that -lint will report this as UB, but it passes -verify.
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; This test is just to verify that we do not crash/assert due to mismatch in
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; argument count between the caller and callee.
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; FIXME we should recognize this as UB and make it an unreachable.
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define dso_local i16 @foo(i16 %a) {
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; CHECK-LABEL: define {{[^@]+}}@foo
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; CHECK-SAME: (i16 [[A:%.*]])
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; CHECK-NEXT: [[CALL:%.*]] = call i16 @bar()
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; CHECK-NEXT: ret i16 [[CALL]]
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;
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%call = call i16 bitcast (i16 (i16, i16) * @bar to i16 (i16) *)(i16 %a)
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ret i16 %call
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}
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define internal i16 @bar(i16 %p1, i16 %p2) {
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; CHECK-LABEL: define {{[^@]+}}@bar()
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; CHECK-NEXT: ret i16 0
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;
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ret i16 0
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}
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define dso_local i16 @foo2(i16 %a) {
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; CHECK-LABEL: define {{[^@]+}}@foo2
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; CHECK-SAME: (i16 [[A:%.*]])
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; CHECK-NEXT: [[CALL:%.*]] = call i16 bitcast (i16 (i16, i16)* @bar2 to i16 (i16)*)(i16 [[A]])
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; CHECK-NEXT: ret i16 [[CALL]]
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;
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%call = call i16 bitcast (i16 (i16, i16) * @bar2 to i16 (i16) *)(i16 %a)
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ret i16 %call
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}
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define internal i16 @bar2(i16 %p1, i16 %p2) {
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; CHECK-LABEL: define {{[^@]+}}@bar2
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; CHECK-SAME: (i16 [[P1:%.*]], i16 [[P2:%.*]])
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; CHECK-NEXT: [[A:%.*]] = add i16 [[P1]], [[P2]]
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; CHECK-NEXT: ret i16 [[A]]
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;
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%a = add i16 %p1, %p2
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ret i16 %a
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}
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;-------------------------------------------------------------------------------
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; Additional tests to verify that we still optimize when having a mismatch
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; in argument count due to varargs (as long as all non-variadic arguments have
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; been provided),
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define dso_local i16 @vararg_tests(i16 %a) {
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; NOT_CGSCC_OPM-LABEL: define {{[^@]+}}@vararg_tests
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; NOT_CGSCC_OPM-SAME: (i16 [[A:%.*]])
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; NOT_CGSCC_OPM-NEXT: [[CALL2:%.*]] = call i16 bitcast (i16 (i16, i16, ...)* @vararg_no_prop to i16 (i16)*)(i16 7)
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; NOT_CGSCC_OPM-NEXT: [[ADD:%.*]] = add i16 7, [[CALL2]]
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; NOT_CGSCC_OPM-NEXT: ret i16 [[ADD]]
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;
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; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@vararg_tests
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; IS__CGSCC_OPM-SAME: (i16 [[A:%.*]])
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; IS__CGSCC_OPM-NEXT: [[CALL1:%.*]] = call i16 (i16, ...) @vararg_prop(i16 7, i16 8, i16 [[A]])
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; IS__CGSCC_OPM-NEXT: [[CALL2:%.*]] = call i16 bitcast (i16 (i16, i16, ...)* @vararg_no_prop to i16 (i16)*)(i16 7)
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; IS__CGSCC_OPM-NEXT: [[ADD:%.*]] = add i16 [[CALL1]], [[CALL2]]
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; IS__CGSCC_OPM-NEXT: ret i16 [[ADD]]
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;
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%call1 = call i16 (i16, ...) @vararg_prop(i16 7, i16 8, i16 %a)
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%call2 = call i16 bitcast (i16 (i16, i16, ...) * @vararg_no_prop to i16 (i16) *) (i16 7)
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%add = add i16 %call1, %call2
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ret i16 %add
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}
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define internal i16 @vararg_prop(i16 %p1, ...) {
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; IS__CGSCC____-LABEL: define {{[^@]+}}@vararg_prop
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; IS__CGSCC____-SAME: (i16 returned [[P1:%.*]], ...)
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; IS__CGSCC____-NEXT: ret i16 7
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;
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ret i16 %p1
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}
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define internal i16 @vararg_no_prop(i16 %p1, i16 %p2, ...) {
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; CHECK-LABEL: define {{[^@]+}}@vararg_no_prop
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; CHECK-SAME: (i16 returned [[P1:%.*]], i16 [[P2:%.*]], ...)
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; CHECK-NEXT: ret i16 7
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;
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ret i16 %p1
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}
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