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RedBear-OS/local/recipes/dev/libclc/source/clang/test/CodeGen/PR8880.c
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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

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// RUN: %clang_cc1 -Wno-gcc-compat -emit-llvm -o - %s | FileCheck %s
void pr8880_cg_1(int *iptr) {
// CHECK-LABEL: define {{.*}}void @pr8880_cg_1(
int i, j;
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
for (i = 2; i != 10 ; i++ )
// CHECK: [[OUTER_COND]]
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_BODY]]
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
for (j = 3 ; j < 22; (void)({ ++j; break; j;})) {
// CHECK: [[INNER_COND]]
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END:[0-9A-Za-z$._]+]]
// CHECK: [[INNER_BODY]]
*iptr = 7;
// CHECK: store i32 7,
// CHECK: br label %[[INNER_INC:[0-9A-Za-z$._]+]]
// CHECK: [[INNER_INC]]
// break in 3rd expression of inner loop causes branch to end of inner loop
// CHECK: br label %[[INNER_END:[0-9A-Za-z$._]+]]
// CHECK: [[INNER_END]]
}
// CHECK: br label %[[OUTER_INC:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_INC]]
// CHECK: br label %[[OUTER_COND]]
// CHECK: [[OUTER_END]]
// CHECK: ret
}
void pr8880_cg_2(int *iptr) {
// CHECK-LABEL: define {{.*}}void @pr8880_cg_2(
int i, j;
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
for (i = 2; i != 10 ; i++ )
// CHECK: [[OUTER_COND]]
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_BODY]]
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
for (j = 3 ; j < 22; (void)({ ++j; continue; j;})) {
// CHECK: [[INNER_COND]]
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END:[0-9A-Za-z$._]+]]
// CHECK: [[INNER_BODY]]
*iptr = 7;
// CHECK: store i32 7,
// CHECK: br label %[[INNER_INC:[0-9A-Za-z$._]+]]
// CHECK: [[INNER_INC]]
// continue in 3rd expression of inner loop causes branch to inc of inner loop
// CHECK: br label %[[INNER_INC]]
// CHECK: [[INNER_END]]
}
// CHECK: br label %[[OUTER_INC:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_INC]]
// CHECK: br label %[[OUTER_COND]]
// CHECK: [[OUTER_END]]
// CHECK: ret
}
void pr8880_cg_3(int *iptr) {
// CHECK-LABEL: define {{.*}}void @pr8880_cg_3(
int i, j;
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
for (i = 2 ; i != 10 ; i++ )
// CHECK: [[OUTER_COND]]
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_BODY]]
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
for (j = 3 ; ({break; j;}); j++) {
// break in 2nd expression of inner loop causes branch to end of inner loop
// CHECK: [[INNER_COND]]
// CHECK: br label %[[INNER_END:[0-9A-Za-z$._]+]]
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END:[0-9A-Za-z$._]+]]
// CHECK: [[INNER_BODY]]
*iptr = 7;
// CHECK: store i32 7,
// CHECK: br label %[[INNER_INC:[0-9A-Za-z$._]+]]
// CHECK: [[INNER_INC]]
// CHECK: br label %[[INNER_COND]]
}
// CHECK: [[INNER_END]]
// CHECK: br label %[[OUTER_INC:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_INC]]
// CHECK: br label %[[OUTER_COND]]
// CHECK: [[OUTER_END]]
// CHECK: ret
}
void pr8880_cg_4(int *iptr) {
// CHECK-LABEL: define {{.*}}void @pr8880_cg_4(
int i, j;
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
for (i = 2 ; i != 10 ; i++ )
// CHECK: [[OUTER_COND]]
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_BODY]]
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
for (j = 3 ; ({continue; j;}); j++) {
// continue in 2nd expression of inner loop causes branch to inc of inner loop
// CHECK: [[INNER_COND]]
// CHECK: br label %[[INNER_INC:[0-9A-Za-z$._]+]]
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END:[0-9A-Za-z$._]+]]
// CHECK: [[INNER_BODY]]
*iptr = 7;
// CHECK: store i32 7,
// CHECK: br label %[[INNER_INC]]
// CHECK: [[INNER_INC]]
// CHECK: br label %[[INNER_COND]]
}
// CHECK: [[INNER_END]]
// CHECK: br label %[[OUTER_INC:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_INC]]
// CHECK: br label %[[OUTER_COND]]
// CHECK: [[OUTER_END]]
// CHECK: ret
}
void pr8880_cg_5(int x, int *iptr) {
// CHECK-LABEL: define {{.*}}void @pr8880_cg_5(
int y = 5;
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_COND]]
while(--x) {
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_BODY]]
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
while(({ break; --y; })) {
// CHECK: [[INNER_COND]]
// CHECK: br label %[[INNER_END:[0-9A-Za-z$._]+]]
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END:[0-9A-Za-z$._]+]]
// CHECK: [[INNER_BODY]]
*iptr = 7;
// CHECK: store i32 7,
}
// CHECK: br label %[[INNER_COND]]
}
// CHECK: [[INNER_END]]
// CHECK: br label %[[OUTER_COND]]
// CHECK: [[OUTER_END]]
// CHECK: ret void
}
void pr8880_cg_6(int x, int *iptr) {
// CHECK-LABEL: define {{.*}}void @pr8880_cg_6(
int y = 5;
// CHECK: br label %[[OUTER_COND:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_COND]]
while(--x) {
// CHECK: label %[[OUTER_BODY:[0-9A-Za-z$._]+]], label %[[OUTER_END:[0-9A-Za-z$._]+]]
// CHECK: [[OUTER_BODY]]
// CHECK: br label %[[INNER_BODY:[0-9A-Za-z$._]+]]
// CHECK: [[INNER_BODY]]
do {
// CHECK: store i32 7,
*iptr = 7;
// CHECK: br label %[[INNER_COND:[0-9A-Za-z$._]+]]
} while(({ break; --y; }));
// CHECK: [[INNER_COND]]
// CHECK: br label %[[INNER_END:[0-9A-Za-z$._]+]]
// CHECK: label %[[INNER_BODY:[0-9A-Za-z$._]+]], label %[[INNER_END]]
}
// CHECK: [[INNER_END]]
// CHECK: br label %[[OUTER_COND]]
// CHECK: [[OUTER_END]]
// CHECK: ret void
}
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