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| author | Nirav Dave <niravd@google.com> | 2019-02-17 03:53:23 +0000 |
|---|---|---|
| committer | Nirav Dave <niravd@google.com> | 2019-02-17 03:53:23 +0000 |
| commit | 91ecb69acdf4cffb4f879e12716465169848633e (patch) | |
| tree | fddfeba883247766b5e68489c7fa6fc471d2b79e /clang/test/CodeGen | |
| parent | 37f30231ba759c0cc60b8660678d45ac1a86c592 (diff) | |
| download | bcm5719-llvm-91ecb69acdf4cffb4f879e12716465169848633e.tar.gz bcm5719-llvm-91ecb69acdf4cffb4f879e12716465169848633e.zip | |
[X86] Prevent clang clobber checking for asm flag constraints.
Update getConstraintRegister as X86 Asm flag output constraints are no
longer fully alphanumeric,
llvm-svn: 354211
Diffstat (limited to 'clang/test/CodeGen')
| -rw-r--r-- | clang/test/CodeGen/inline-asm-x86-flag-output.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/clang/test/CodeGen/inline-asm-x86-flag-output.c b/clang/test/CodeGen/inline-asm-x86-flag-output.c index f647e3e3c1e..74ad3a46e70 100644 --- a/clang/test/CodeGen/inline-asm-x86-flag-output.c +++ b/clang/test/CodeGen/inline-asm-x86-flag-output.c @@ -363,3 +363,14 @@ int test_ccs(long nr, volatile long *addr) { return 0; return 1; } + +_Bool check_no_clobber_conflicts() { + //CHECK-LABEL: @check_no_clobber_conflicts + //CHECK: = tail call i8 asm "", "={@cce},~{cx},~{dirflag},~{fpsr},~{flags}"() + _Bool b; + asm("" + : "=@cce"(b) + : + : "cx"); + return b; +} |
