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| author | John Brawn <john.brawn@arm.com> | 2015-08-12 15:15:27 +0000 |
|---|---|---|
| committer | John Brawn <john.brawn@arm.com> | 2015-08-12 15:15:27 +0000 |
| commit | 495008edde9a4c839501b97f69d272c01003f194 (patch) | |
| tree | 5318da4a9925c8fc7421a0821b3e5d1841ea8a9d | |
| parent | 2366168badeac92d4c24aecee96e553c0f360f87 (diff) | |
| download | bcm5719-llvm-495008edde9a4c839501b97f69d272c01003f194.tar.gz bcm5719-llvm-495008edde9a4c839501b97f69d272c01003f194.zip | |
Add test for PR24379
The fix for this is in LLVM but it depends on how clang handles the alias
attribute, so add a test to the clang tests to make sure everything works
together as expected.
Differential Revision: http://reviews.llvm.org/D11980
llvm-svn: 244756
| -rw-r--r-- | clang/test/CodeGen/alias.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/clang/test/CodeGen/alias.c b/clang/test/CodeGen/alias.c index b773cc8de93..12c64694d1a 100644 --- a/clang/test/CodeGen/alias.c +++ b/clang/test/CodeGen/alias.c @@ -1,19 +1,42 @@ // RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -o - %s | FileCheck -check-prefix=CHECKBASIC %s // RUN: %clang_cc1 -triple armv7a-eabi -mfloat-abi hard -emit-llvm -o - %s | FileCheck -check-prefix=CHECKCC %s +// RUN: %clang_cc1 -triple armv7a-eabi -mfloat-abi hard -S -o - %s | FileCheck -check-prefix=CHECKASM %s int g0; -// CHECKBASIC: @g0 = common global i32 0 +// CHECKBASIC-DAG: @g0 = common global i32 0 +// CHECKASM-DAG: .comm g0,4,4 __thread int TL_WITH_ALIAS; // CHECKBASIC-DAG: @TL_WITH_ALIAS = thread_local global i32 0, align 4 +// CHECKASM-DAG: .globl TL_WITH_ALIAS +// CHECKASM-DAG: .size TL_WITH_ALIAS, 4 static int bar1 = 42; -// CHECKBASIC: @bar1 = internal global i32 42 +// CHECKBASIC-DAG: @bar1 = internal global i32 42 +// CHECKASM-DAG: bar1: +// CHECKASM-DAG: .size bar1, 4 + +// PR24379: alias variable expected to have same size as aliasee even when types differ +const int wacom_usb_ids[] = {1, 1, 2, 3, 5, 8, 13, 0}; +// CHECKBASIC-DAG: @wacom_usb_ids = constant [8 x i32] [i32 1, i32 1, i32 2, i32 3, i32 5, i32 8, i32 13, i32 0], align 4 +// CHECKASM-DAG: .globl wacom_usb_ids +// CHECKASM-DAG: .size wacom_usb_ids, 32 +extern const int __mod_usb_device_table __attribute__ ((alias("wacom_usb_ids"))); +// CHECKBASIC-DAG: @__mod_usb_device_table = alias getelementptr inbounds ([8 x i32], [8 x i32]* @wacom_usb_ids, i32 0, i32 0) +// CHECKASM-DAG: .globl __mod_usb_device_table +// CHECKASM-DAG: __mod_usb_device_table = wacom_usb_ids +// CHECKASM-DAG-NOT: .size __mod_usb_device_table extern int g1; extern int g1 __attribute((alias("g0"))); // CHECKBASIC-DAG: @g1 = alias i32* @g0 +// CHECKASM-DAG: .globl g1 +// CHECKASM-DAG: g1 = g0 +// CHECKASM-DAG-NOT: .size g1 extern __thread int __libc_errno __attribute__ ((alias ("TL_WITH_ALIAS"))); // CHECKBASIC-DAG: @__libc_errno = thread_local alias i32* @TL_WITH_ALIAS +// CHECKASM-DAG: .globl __libc_errno +// CHECKASM-DAG: __libc_errno = TL_WITH_ALIAS +// CHECKASM-DAG-NOT: .size __libc_errno void f0(void) { } extern void f1(void); |
