diff options
| author | Chris Lattner <sabre@nondot.org> | 2010-12-25 23:25:43 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-12-25 23:25:43 +0000 |
| commit | 3f59c975aa5d047f7edd1b900b5e885c38af0ef7 (patch) | |
| tree | 2fbe959271ee3bfd09aeaf5b035507fc87f13ba2 /test/CodeGen/pascal-wchar-string.c | |
| parent | af6530c938bfc60902f0dfec1c0808aedbee1663 (diff) | |
The -fshort-wchar option causes wchar_t to become unsigned, in addition to being
16-bits in size. Implement this by splitting WChar into two enums, like we have
for char. This fixes a miscompmilation of XULRunner, PR8856.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122558 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/pascal-wchar-string.c')
| -rw-r--r-- | test/CodeGen/pascal-wchar-string.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/test/CodeGen/pascal-wchar-string.c b/test/CodeGen/pascal-wchar-string.c index 89e4de489f..7a03463d2c 100644 --- a/test/CodeGen/pascal-wchar-string.c +++ b/test/CodeGen/pascal-wchar-string.c @@ -1,5 +1,7 @@ // RUN: %clang_cc1 -emit-llvm -o - %s -fpascal-strings -fshort-wchar | FileCheck %s -// rdar: // 8020384 +// rdar://8020384 + +#include <stddef.h> extern void abort (void); @@ -29,3 +31,11 @@ int main(int argc, char* argv[]) // CHECK: c"\03\00b\00a\00r\00\00\00" // CHECK: c"\04\00g\00o\00r\00f\00\00\00" + + +// PR8856 - -fshort-wchar makes wchar_t be unsigned. +// CHECK: @test2 +// CHECK: volatile store i32 1, i32* %isUnsigned +void test2() { + volatile int isUnsigned = (wchar_t)-1 > (wchar_t)0; +} |