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[Driver][test] Add a specific test file for -fmerge-all-constants 

Also, delete the option from the `// Test that we don't error on these.` block in test/Driver/clang_f_opts.c
This commit is contained in:
Fangrui Song 2020-03-15 13:06:47 -07:00
parent d09a46cdbc
commit a1e940b185
2 changed files with 6 additions and 8 deletions
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8
clang/test/Driver/clang_f_opts.c
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@ -304,7 +304,6 @@
// RUN: -fno-inline-small-functions -finline-small-functions \
// RUN: -fno-fat-lto-objects -ffat-lto-objects \
// RUN: -fno-merge-constants -fmerge-constants \
// RUN: -fno-merge-all-constants -fmerge-all-constants \
// RUN: -fno-caller-saves -fcaller-saves \
// RUN: -fno-reorder-blocks -freorder-blocks \
// RUN: -fno-schedule-insns2 -fschedule-insns2 \
@ -544,13 +543,6 @@
// CHECK-DISCARD-NAMES: "-discard-value-names"
// CHECK-NO-DISCARD-NAMES-NOT: "-discard-value-names"
// RUN: %clang -### -S -fmerge-all-constants %s 2>&1 | FileCheck -check-prefix=CHECK-MERGE-ALL-CONSTANTS %s
// RUN: %clang -### -S -fno-merge-all-constants %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MERGE-ALL-CONSTANTS %s
// RUN: %clang -### -S -fmerge-all-constants -fno-merge-all-constants %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MERGE-ALL-CONSTANTS %s
// RUN: %clang -### -S -fno-merge-all-constants -fmerge-all-constants %s 2>&1 | FileCheck -check-prefix=CHECK-MERGE-ALL-CONSTANTS %s
// CHECK-NO-MERGE-ALL-CONSTANTS-NOT: "-fmerge-all-constants"
// CHECK-MERGE-ALL-CONSTANTS: "-fmerge-all-constants"
// RUN: %clang -### -S -fdelete-null-pointer-checks %s 2>&1 | FileCheck -check-prefix=CHECK-NULL-POINTER-CHECKS %s
// RUN: %clang -### -S -fno-delete-null-pointer-checks %s 2>&1 | FileCheck -check-prefix=CHECK-NO-NULL-POINTER-CHECKS %s
// RUN: %clang -### -S -fdelete-null-pointer-checks -fno-delete-null-pointer-checks %s 2>&1 | FileCheck -check-prefix=CHECK-NO-NULL-POINTER-CHECKS %s

6
clang/test/Driver/fmerge-constants.c Normal file
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@ -0,0 +1,6 @@
// RUN: %clang -### -c %s -fno-merge-all-constants -fmerge-all-constants 2>&1 | FileCheck %s
// CHECK: "-fmerge-all-constants"
// RUN: %clang -### -c %s 2>&1 | FileCheck --check-prefix=NO %s
// RUN: %clang -### -c %s -fmerge-all-constants -fno-merge-all-constants 2>&1 | FileCheck --check-prefix=NO %s
// NO-NOT: "-fmerge-all-constants"