r227674 - [X86] Add range checking to the immediate arguments of many of the SSE/AVX builtins.

Craig Topper craig.topper at gmail.com
Fri Jan 30 22:31:23 PST 2015


Author: ctopper
Date: Sat Jan 31 00:31:23 2015
New Revision: 227674

URL: http://llvm.org/viewvc/llvm-project?rev=227674&view=rev
Log:
[X86] Add range checking to the immediate arguments of many of the SSE/AVX builtins.

Modified:
    cfe/trunk/lib/Sema/SemaChecking.cpp
    cfe/trunk/test/CodeGen/builtins-x86.c
    cfe/trunk/test/CodeGen/sha-builtins.c

Modified: cfe/trunk/lib/Sema/SemaChecking.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaChecking.cpp?rev=227674&r1=227673&r2=227674&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaChecking.cpp (original)
+++ cfe/trunk/lib/Sema/SemaChecking.cpp Sat Jan 31 00:31:23 2015
@@ -878,12 +878,18 @@ bool Sema::CheckX86BuiltinFunctionCall(u
   switch (BuiltinID) {
   default: return false;
   case X86::BI_mm_prefetch: i = 1; l = 0; u = 3; break;
-  case X86::BI__builtin_ia32_cmpps:
-  case X86::BI__builtin_ia32_cmpss:
-  case X86::BI__builtin_ia32_cmppd:
-  case X86::BI__builtin_ia32_cmpsd:
-  case X86::BI__builtin_ia32_cmpps512_mask:
-  case X86::BI__builtin_ia32_cmppd512_mask: i = 2; l = 0; u = 31; break;
+  case X86::BI__builtin_ia32_vextractf128_pd256:
+  case X86::BI__builtin_ia32_vextractf128_ps256:
+  case X86::BI__builtin_ia32_vextractf128_si256:
+  case X86::BI__builtin_ia32_extract128i256: i = 1, l = 0, u = 1; break;
+  case X86::BI__builtin_ia32_vinsertf128_pd256:
+  case X86::BI__builtin_ia32_vinsertf128_ps256:
+  case X86::BI__builtin_ia32_vinsertf128_si256:
+  case X86::BI__builtin_ia32_insert128i256:
+  case X86::BI__builtin_ia32_blendpd: i = 2, l = 0; u = 1; break;
+  case X86::BI__builtin_ia32_blendps:
+  case X86::BI__builtin_ia32_blendpd256:
+  case X86::BI__builtin_ia32_sha1rnds4: i = 2, l = 0; u = 3; break;
   case X86::BI__builtin_ia32_cmpb128_mask:
   case X86::BI__builtin_ia32_cmpw128_mask:
   case X86::BI__builtin_ia32_cmpd128_mask:
@@ -908,6 +914,20 @@ bool Sema::CheckX86BuiltinFunctionCall(u
   case X86::BI__builtin_ia32_ucmpw512_mask:
   case X86::BI__builtin_ia32_ucmpd512_mask:
   case X86::BI__builtin_ia32_ucmpq512_mask: i = 2; l = 0; u = 7; break;
+  case X86::BI__builtin_ia32_roundps:
+  case X86::BI__builtin_ia32_roundpd:
+  case X86::BI__builtin_ia32_roundps256:
+  case X86::BI__builtin_ia32_roundpd256: i = 1, l = 0; u = 15; break;
+  case X86::BI__builtin_ia32_roundss:
+  case X86::BI__builtin_ia32_roundsd: i = 2, l = 0; u = 15; break;
+  case X86::BI__builtin_ia32_cmpps:
+  case X86::BI__builtin_ia32_cmpss:
+  case X86::BI__builtin_ia32_cmppd:
+  case X86::BI__builtin_ia32_cmpsd:
+  case X86::BI__builtin_ia32_cmpps256:
+  case X86::BI__builtin_ia32_cmppd256:
+  case X86::BI__builtin_ia32_cmpps512_mask:
+  case X86::BI__builtin_ia32_cmppd512_mask: i = 2; l = 0; u = 31; break;
   }
   return SemaBuiltinConstantArgRange(TheCall, i, l, u);
 }

Modified: cfe/trunk/test/CodeGen/builtins-x86.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins-x86.c?rev=227674&r1=227673&r2=227674&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtins-x86.c (original)
+++ cfe/trunk/test/CodeGen/builtins-x86.c Sat Jan 31 00:31:23 2015
@@ -403,16 +403,16 @@ void f0() {
   tmp_V4f = __builtin_ia32_vpermilvarps(tmp_V4f, tmp_V4i);
   tmp_V4d = __builtin_ia32_vpermilvarpd256(tmp_V4d, tmp_V4LLi);
   tmp_V8f = __builtin_ia32_vpermilvarps256(tmp_V8f, tmp_V8i);
-  tmp_V4d = __builtin_ia32_blendpd256(tmp_V4d, tmp_V4d, 0x7);
+  tmp_V4d = __builtin_ia32_blendpd256(tmp_V4d, tmp_V4d, 0x1);
   tmp_V8f = __builtin_ia32_blendps256(tmp_V8f, tmp_V8f, 0x7);
   tmp_V4d = __builtin_ia32_blendvpd256(tmp_V4d, tmp_V4d, tmp_V4d);
   tmp_V8f = __builtin_ia32_blendvps256(tmp_V8f, tmp_V8f, tmp_V8f);
   tmp_V8f = __builtin_ia32_dpps256(tmp_V8f, tmp_V8f, 0x7);
   tmp_V4d = __builtin_ia32_cmppd256(tmp_V4d, tmp_V4d, 0);
   tmp_V8f = __builtin_ia32_cmpps256(tmp_V8f, tmp_V8f, 0);
-  tmp_V2d = __builtin_ia32_vextractf128_pd256(tmp_V4d, 0x7);
-  tmp_V4f = __builtin_ia32_vextractf128_ps256(tmp_V8f, 0x7);
-  tmp_V4i = __builtin_ia32_vextractf128_si256(tmp_V8i, 0x7);
+  tmp_V2d = __builtin_ia32_vextractf128_pd256(tmp_V4d, 0x1);
+  tmp_V4f = __builtin_ia32_vextractf128_ps256(tmp_V8f, 0x1);
+  tmp_V4i = __builtin_ia32_vextractf128_si256(tmp_V8i, 0x1);
   tmp_V4d = __builtin_ia32_cvtdq2pd256(tmp_V4i);
   tmp_V8f = __builtin_ia32_cvtdq2ps256(tmp_V8i);
   tmp_V4f = __builtin_ia32_cvtpd2ps256(tmp_V4d);
@@ -424,9 +424,9 @@ void f0() {
   tmp_V4d = __builtin_ia32_vperm2f128_pd256(tmp_V4d, tmp_V4d, 0x7);
   tmp_V8f = __builtin_ia32_vperm2f128_ps256(tmp_V8f, tmp_V8f, 0x7);
   tmp_V8i = __builtin_ia32_vperm2f128_si256(tmp_V8i, tmp_V8i, 0x7);
-  tmp_V4d = __builtin_ia32_vinsertf128_pd256(tmp_V4d, tmp_V2d, 0x7);
-  tmp_V8f = __builtin_ia32_vinsertf128_ps256(tmp_V8f, tmp_V4f, 0x7);
-  tmp_V8i = __builtin_ia32_vinsertf128_si256(tmp_V8i, tmp_V4i, 0x7);
+  tmp_V4d = __builtin_ia32_vinsertf128_pd256(tmp_V4d, tmp_V2d, 0x1);
+  tmp_V8f = __builtin_ia32_vinsertf128_ps256(tmp_V8f, tmp_V4f, 0x1);
+  tmp_V8i = __builtin_ia32_vinsertf128_si256(tmp_V8i, tmp_V4i, 0x1);
   tmp_V4d = __builtin_ia32_sqrtpd256(tmp_V4d);
   tmp_V8f = __builtin_ia32_sqrtps256(tmp_V8f);
   tmp_V8f = __builtin_ia32_rsqrtps256(tmp_V8f);
@@ -497,7 +497,7 @@ void f0() {
   tmp_V2f = __builtin_ia32_pswapdsf(tmp_V2f);
   tmp_V2i = __builtin_ia32_pswapdsi(tmp_V2i);
 
-  tmp_V4i = __builtin_ia32_sha1rnds4(tmp_V4i, tmp_V4i, imm_i);
+  tmp_V4i = __builtin_ia32_sha1rnds4(tmp_V4i, tmp_V4i, imm_i_0_4);
   tmp_V4i = __builtin_ia32_sha1nexte(tmp_V4i, tmp_V4i);
   tmp_V4i = __builtin_ia32_sha1msg1(tmp_V4i, tmp_V4i);
   tmp_V4i = __builtin_ia32_sha1msg2(tmp_V4i, tmp_V4i);

Modified: cfe/trunk/test/CodeGen/sha-builtins.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/sha-builtins.c?rev=227674&r1=227673&r2=227674&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/sha-builtins.c (original)
+++ cfe/trunk/test/CodeGen/sha-builtins.c Sat Jan 31 00:31:23 2015
@@ -7,7 +7,7 @@
 
 __m128i test_sha1rnds4(__m128i a, __m128i b) {
   // CHECK: call <4 x i32> @llvm.x86.sha1rnds4
-  return _mm_sha1rnds4_epu32(a, b, 8);
+  return _mm_sha1rnds4_epu32(a, b, 3);
 }
 __m128i test_sha1nexte(__m128i a, __m128i b) {
   // CHECK: call <4 x i32> @llvm.x86.sha1nexte





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