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For `clang -c -g -fdebug-prefix-map=a/b=y -fdebug-prefix-map=a=x a/b/c.c`, we apply the longest prefix substitution, but GCC has always been picking the last applicable option (`a=x`, see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109591). I feel that GCC's behavior is reasonable given the convention that the last value wins for the same option. Before D49466, Clang appeared to apply the shortest prefix substitution, which likely made the least sense. Reviewed By: #debug-info, scott.linder Differential Revision: https://reviews.llvm.org/D148975
57 lines
3.7 KiB
C
57 lines
3.7 KiB
C
// RUN: %clang_cc1 -debug-info-kind=standalone -fdebug-prefix-map=%p=%{fs-src-root}UNLIKELY_PATH%{fs-sep}empty %s -emit-llvm -o - | FileCheck %s -check-prefix CHECK-NO-MAIN-FILE-NAME
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// RUN: %clang_cc1 -debug-info-kind=standalone -fdebug-prefix-map=%p=%{fs-src-root}UNLIKELY_PATH=empty %s -emit-llvm -o - | FileCheck %s -check-prefix CHECK-EVIL
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// RUN: %clang_cc1 -debug-info-kind=standalone -fdebug-prefix-map=%p=%{fs-src-root}UNLIKELY_PATH%{fs-sep}empty %s -emit-llvm -o - -main-file-name debug-prefix-map.c | FileCheck %s
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// RUN: %clang_cc1 -debug-info-kind=standalone -fdebug-prefix-map=%p=%{fs-src-root}UNLIKELY_PATH%{fs-sep}empty %s -emit-llvm -o - -fdebug-compilation-dir %p | FileCheck %s -check-prefix CHECK-COMPILATION-DIR
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// RUN: %clang_cc1 -debug-info-kind=standalone -fdebug-prefix-map=%p=%{fs-src-root}UNLIKELY_PATH%{fs-sep}empty %s -emit-llvm -o - -isysroot %p -debugger-tuning=lldb | FileCheck %s -check-prefix CHECK-SYSROOT
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// RUN: %clang -g -fdebug-prefix-map=%p=%{fs-src-root}UNLIKELY_PATH%{fs-sep}empty -S -c %s -emit-llvm -o - | FileCheck %s
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// RUN: %clang -g -ffile-prefix-map=%p=%{fs-src-root}UNLIKELY_PATH%{fs-sep}empty -S -c %s -emit-llvm -o - | FileCheck %s
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// RUN: %clang -g -fdebug-prefix-map=%p=./UNLIKELY_PATH/empty -S -c %s -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-REL
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// RUN: %clang -g -ffile-prefix-map=%p=./UNLIKELY_PATH/empty -S -c %s -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-REL
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// RUN: rm -rf %t && mkdir -p %t/a/b && cp %s %t/a/b/c.c
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// RUN: %clang_cc1 -emit-llvm -debug-info-kind=standalone -I%S -fdebug-prefix-map=%t/a/b=y -fdebug-prefix-map=%t/a=x %t/a/b/c.c -o - | FileCheck %s --check-prefix=CHECK-X
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// RUN: %clang_cc1 -emit-llvm -debug-info-kind=standalone -I%S -fdebug-prefix-map=%t/a=x -fdebug-prefix-map=%t/a/b=y %t/a/b/c.c -o - | FileCheck %s --check-prefix=CHECK-Y
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#include "Inputs/stdio.h"
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int main(int argc, char **argv) {
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(void)argc;
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(void)argv;
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return 0;
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}
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void test_rewrite_includes(void) {
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__builtin_va_list argp;
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vprintf("string", argp);
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}
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// CHECK-NO-MAIN-FILE-NAME: !DIFile(filename: "{{/|.:\\\\}}UNLIKELY_PATH{{/|\\\\}}empty{{/|\\\\}}<stdin>",
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// CHECK-NO-MAIN-FILE-NAME: !DIFile(filename: "{{/|.:\\\\}}UNLIKELY_PATH{{/|\\\\}}empty{{/|\\\\}}{{.*}}",
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// CHECK-NO-MAIN-FILE-NAME-SAME: directory: "")
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// CHECK-NO-MAIN-FILE-NAME: !DIFile(filename: "{{/|.:\\\\}}UNLIKELY_PATH{{/|\\\\}}empty{{/|\\\\}}Inputs{{/|\\\\}}stdio.h",
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// CHECK-NO-MAIN-FILE-NAME-SAME: directory: "")
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// CHECK-NO-MAIN-FILE-NAME-NOT: !DIFile(filename:
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// CHECK-EVIL: !DIFile(filename: "{{/|.:\\\\}}UNLIKELY_PATH=empty{{/|\\\\}}{{.*}}"
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// CHECK-EVIL: !DIFile(filename: "{{/|.:\\\\}}UNLIKELY_PATH=empty{{/|\\\\}}{{.*}}Inputs{{/|\\\\}}stdio.h",
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// CHECK-EVIL-SAME: directory: "")
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// CHECK-EVIL-NOT: !DIFile(filename:
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// CHECK: !DIFile(filename: "{{/|.:\\\\}}UNLIKELY_PATH{{/|\\\\}}empty{{/|\\\\}}{{.*}}",
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// CHECK: !DIFile(filename: "{{/|.:\\\\}}UNLIKELY_PATH{{/|\\\\}}empty{{/|\\\\}}{{.*}}Inputs{{/|\\\\}}stdio.h",
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// CHECK-SAME: directory: ""
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// CHECK-NOT: !DIFile(filename:
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// CHECK-COMPILATION-DIR: !DIFile(filename: "{{.*}}", directory: "{{/|.:\\\\}}UNLIKELY_PATH{{/|\\\\}}empty")
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// CHECK-COMPILATION-DIR: !DIFile(filename: "{{.*}}Inputs{{/|\\\\}}stdio.h", directory: "{{/|.:\\\\}}UNLIKELY_PATH{{/|\\\\}}empty")
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// CHECK-COMPILATION-DIR-NOT: !DIFile(filename:
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// CHECK-SYSROOT: !DICompileUnit({{.*}}sysroot: "{{/|.:\\\\}}UNLIKELY_PATH{{/|\\\\}}empty"
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// CHECK-REL: !DIFile(filename: "./UNLIKELY_PATH/empty{{/|\\\\}}{{.*}}",
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// CHECK-REL: !DIFile(filename: "./UNLIKELY_PATH/empty{{/|\\\\}}{{.*}}Inputs/stdio.h",
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// CHECK-REL-SAME: directory: ""
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// CHECK-X: !DIFile(filename: "x{{/|\\\\}}b{{/|\\\\}}c.c", directory: "")
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// CHECK-Y: !DIFile(filename: "y{{/|\\\\}}c.c", directory: "")
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