Author: john.brawn Date: Wed Aug 12 10:15:27 2015 New Revision: 244756 URL: http://llvm.org/viewvc/llvm-project?rev=244756&view=rev Log: 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 Modified: cfe/trunk/test/CodeGen/alias.c Modified: cfe/trunk/test/CodeGen/alias.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/alias.c?rev=244756&r1=244755&r2=244756&view=diff ============================================================================== --- cfe/trunk/test/CodeGen/alias.c (original) +++ cfe/trunk/test/CodeGen/alias.c Wed Aug 12 10:15:27 2015 @@ -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); _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
