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RedBear-OS/local/recipes/dev/libclc/source/clang/test/CodeGenCXX/attr-mustprogress.cpp
T
vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class) 
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

422 lines
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// RUN: %clang_cc1 -std=c++98 -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX98 %s
// RUN: %clang_cc1 -std=c++11 -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX11 %s
// RUN: %clang_cc1 -std=c++14 -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX11 %s
// RUN: %clang_cc1 -std=c++17 -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX11 %s
// RUN: %clang_cc1 -std=c++20 -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX11 %s
// Check -ffinite-loops option in combination with various standard versions.
// RUN: %clang_cc1 -std=c++98 -ffinite-loops -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=FINITE %s
// RUN: %clang_cc1 -std=c++11 -ffinite-loops -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX11 %s
// RUN: %clang_cc1 -std=c++14 -ffinite-loops -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX11 %s
// RUN: %clang_cc1 -std=c++17 -ffinite-loops -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX11 %s
// RUN: %clang_cc1 -std=c++20 -ffinite-loops -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX11 %s
// Check -fno-finite-loops option in combination with various standard versions.
// RUN: %clang_cc1 -std=c++98 -fno-finite-loops -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX98 %s
// RUN: %clang_cc1 -std=c++11 -fno-finite-loops -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX98 %s
// RUN: %clang_cc1 -std=c++14 -fno-finite-loops -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX98 %s
// RUN: %clang_cc1 -std=c++17 -fno-finite-loops -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX98 %s
// RUN: %clang_cc1 -std=c++20 -fno-finite-loops -triple=x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CXX98 %s
int a = 0;
int b = 0;
// CHECK: datalayout
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z2f0v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %for.cond
// CHECK: for.cond:
// CXX98-NOT: br {{.*}} llvm.loop
// CXX11-NOT: br {{.*}} llvm.loop
// FINITE-NOT: br {{.*}} llvm.loop
void f0() {
for (; ;) ;
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z2f1v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %for.cond
// CHECK: for.cond:
// CHECK-NEXT: br i1 true, label %for.body, label %for.end
// CHECK: for.body:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NOT: br {{.*}} llvm.loop
// FINITE-NOT: br {{.*}} llvm.loop
// CHECK: for.end:
// CHECK-NEXT: ret void
//
void f1() {
for (; 1;)
;
}
// CXX98-NOT: mustprogress
// CXX11: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z2f2v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %for.cond
// CHECK: for.cond:
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr @a, align 4
// CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @b, align 4
// CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
// CHECK-NEXT: br i1 [[CMP]], label %for.body, label %for.end
// CHECK: for.body:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11: br label %for.cond, !llvm.loop [[LOOP3:!.*]]
// FINITE-NEXT: br label %for.cond, !llvm.loop [[LOOP3:!.*]]
// CHECK: for.end:
// CHECK-NEXT: ret void
//
void f2() {
for (; a == b;)
;
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z1Fv(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %for.cond
// CHECK: for.cond:
// CHECK-NEXT: br i1 true, label %for.body, label %for.end
// CHECK: for.body:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NOT: br {{.*}}, !llvm.loop
// FINITE-NOT: br {{.*}}, !llvm.loop
// CHECK: for.end:
// CHECK-NEXT: br label %for.cond1
// CHECK: for.cond1:
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr @a, align 4
// CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @b, align 4
// CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
// CHECK-NEXT: br i1 [[CMP]], label %for.body2, label %for.end3
// CHECK: for.body2:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NEXT: br label %for.cond1, !llvm.loop [[LOOP5:!.*]]
// FINITE-NEXT: br label %for.cond1, !llvm.loop [[LOOP5:!.*]]
// CHECK: for.end3:
// CHECK-NEXT: ret void
//
void F() {
for (; 1;)
;
for (; a == b;)
;
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z2F2v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %for.cond
// CHECK: for.cond:
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr @a, align 4
// CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @b, align 4
// CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
// CHECK-NEXT: br i1 [[CMP]], label %for.body, label %for.end
// CHECK: for.body:
// CXX98-NOT: br {{.*}} !llvm.loop
// CXX11-NEXT: br label %for.cond, !llvm.loop [[LOOP6:!.*]]
// FINITE-NEXT: br label %for.cond, !llvm.loop [[LOOP6:!.*]]
// CHECK: for.end:
// CHECK-NEXT: br label %for.cond1
// CHECK: for.cond1:
// CHECK-NEXT: br i1 true, label %for.body2, label %for.end3
// CHECK: for.body2:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NOT: br {{.*}}, !llvm.loop
// FINITE-NOT: br {{.*}}, !llvm.loop
// CHECK: for.end3:
// CHECK-NEXT: ret void
//
void F2() {
for (; a == b;)
;
for (; 1;)
;
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z2w1v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %while.body
// CHECK: while.body:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NOT: br {{.*}}, !llvm.loop
// FINITE-NOT: br {{.*}}, !llvm.loop
//
void w1() {
while (1)
;
}
// CXX98-NOT: mustprogress
// CXX11: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z2w2v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %while.cond
// CHECK: while.cond:
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr @a, align 4
// CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @b, align 4
// CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
// CHECK-NEXT: br i1 [[CMP]], label %while.body, label %while.end
// CHECK: while.body:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NEXT: br label %while.cond, !llvm.loop [[LOOP9:!.*]]
// FINITE-NEXT: br label %while.cond, !llvm.loop [[LOOP9:!.*]]
// CHECK: while.end:
// CHECK-NEXT: ret void
//
void w2() {
while (a == b)
;
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z1Wv(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %while.cond
// CHECK: while.cond:
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr @a, align 4
// CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @b, align 4
// CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
// CHECK-NEXT: br i1 [[CMP]], label %while.body, label %while.end
// CHECK: while.body:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NEXT: br label %while.cond, !llvm.loop [[LOOP10:!.*]]
// FINITE-NEXT: br label %while.cond, !llvm.loop [[LOOP10:!.*]]
// CHECK: while.end:
// CHECK-NEXT: br label %while.body2
// CHECK: while.body2:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NOT: br {{.*}}, !llvm.loop
// FINITE-NOT: br {{.*}}, !llvm.loop
//
void W() {
while (a == b)
;
while (1)
;
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z2W2v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %while.body
// CHECK: while.body:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NOT: br {{.*}}, !llvm.loop
// FINITE-NOT: br {{.*}}, !llvm.loop
//
void W2() {
while (1)
;
while (a == b)
;
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z2d1v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %do.body
// CHECK: do.body:
// CHECK-NEXT: br label %do.cond
// CHECK: do.cond:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NOT: br {{.*}}, !llvm.loop
// FINITE-NOT: br {{.*}}, !llvm.loop
// CHECK: do.end:
// CHECK-NEXT: ret void
//
void d1() {
do
;
while (1);
}
// CXX98-NOT: mustprogress
// CXX11: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z2d2v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %do.body
// CHECK: do.body:
// CHECK-NEXT: br label %do.cond
// CHECK: do.cond:
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr @a, align 4
// CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @b, align 4
// CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NEXT: br i1 [[CMP]], label %do.body, label %do.end, !llvm.loop [[LOOP14:!.*]]
// FINITE-NEXT: br i1 [[CMP]], label %do.body, label %do.end, !llvm.loop [[LOOP14:!.*]]
// CHECK: do.end:
// CHECK-NEXT: ret void
//
void d2() {
do
;
while (a == b);
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z1Dv(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %do.body
// CHECK: do.body:
// CHECK-NEXT: br label %do.cond
// CHECK: do.cond:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NOT: br {{.*}}, !llvm.loop
// FINITE-NOT: br {{.*}}, !llvm.loop
// CHECK: do.end:
// CHECK-NEXT: br label %do.body1
// CHECK: do.body1:
// CHECK-NEXT: br label %do.cond2
// CHECK: do.cond2:
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr @a, align 4
// CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @b, align 4
// CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NEXT: br i1 [[CMP]], label %do.body1, label %do.end3, !llvm.loop [[LOOP16:!.*]]
// FINITE-NEXT: br i1 [[CMP]], label %do.body1, label %do.end3, !llvm.loop [[LOOP16:!.*]]
// CHECK: do.end3:
// CHECK-NEXT: ret void
//
void D() {
do
;
while (1);
do
;
while (a == b);
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z2D2v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %do.body
// CHECK: do.body:
// CHECK-NEXT: br label %do.cond
// CHECK: do.cond:
// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr @a, align 4
// CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr @b, align 4
// CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]]
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NEXT: br i1 [[CMP]], label %do.body, label %do.end, !llvm.loop [[LOOP17:!.*]]
// FINITE-NEXT: br i1 [[CMP]], label %do.body, label %do.end, !llvm.loop [[LOOP17:!.*]]
// CHECK: do.end:
// CHECK-NEXT: br label %do.body1
// CHECK: do.body1:
// CHECK-NEXT: br label %do.cond2
// CHECK: do.cond2:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NOT: br {{.*}}, !llvm.loop
// FINITE-NOT: br {{.*}}, !llvm.loop
// CHECK: do.end3:
// CHECK-NEXT: ret void
//
void D2() {
do
;
while (a == b);
do
;
while (1);
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z9compound0v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %for.cond
// CHECK: for.cond:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NOT: br {{.*}}, !llvm.loop
// FINITE-NOT: br {{.*}}, !llvm.loop
void compound0() {
for (; ;) {}
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z9compound1v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %for.cond
// CHECK: for.cond:
// CXX98-NOT: br {{.*}}, llvm.loop
// CXX11-NOT: br {{.*}}, llvm.loop
// FINITE-NOT: br {{.*}}, !llvm.loop
void compound1() {
for (; ;) {/*! */}
}
// CXX98-NOT: mustprogress
// CXX11-NOT: mustprogress
// FINITE-NOT: mustprogress
// CHECK-LABEL: @_Z9compound2v(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %do.body
// CHECK: do.body:
// CHECK-NEXT: br label %do.cond
// CHECK: do.cond:
// CXX98-NOT: br {{.*}}, !llvm.loop
// CXX11-NOT: br {{.*}}, !llvm.loop
// FINITE-NOT: br {{.*}}, !llvm.loop
// CHECK: do.end:
// CHECK-NEXT: ret void
//
void compound2() {
do {} while (1+1);
}
// CXX98-NOT: mustprogress
// CXX11 : mustprogress
// FINITE : mustprogress
// CHECK-LABEL: @_Z5Falsev(
// CHECK-NEXT: entry:
// CHECK-NEXT: br label %do.body
// CHECK: do.body:
// CHECK-NEXT: br label %do.end
// CHECK: do.end:
// CHECK-NEXT: ret void
//
void False() {
do {} while (1-1);
}
// CXX11: [[LOOP3]] = distinct !{[[LOOP3]], [[MP:.*]]}
// CXX11: [[MP]] = !{!"llvm.loop.mustprogress"}
// CXX11: [[LOOP5]] = distinct !{[[LOOP5]], [[MP]]}
// CXX11: [[LOOP6]] = distinct !{[[LOOP6]], [[MP]]}
// CXX11: [[LOOP9]] = distinct !{[[LOOP9]], [[MP]]}
// CXX11: [[LOOP10]] = distinct !{[[LOOP10]], [[MP]]}
// CXX11: [[LOOP14]] = distinct !{[[LOOP14]], [[MP]]}
// CXX11: [[LOOP16]] = distinct !{[[LOOP16]], [[MP]]}
// CXX11: [[LOOP17]] = distinct !{[[LOOP17]], [[MP]]}
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