[PATCH] D38820: [CGExprScalar] Add missing types in function GetIntrinsic

Guozhi Wei via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Wed Oct 11 13:23:03 PDT 2017


Carrot created this revision.

In function GetIntrinsic, not all types are covered. Types double and long long are missed, type long is wrongly treated same as int, it should be same as long long. These problems cause compiler crashes when compiling code in PR31161. This patch fixed the problem.


https://reviews.llvm.org/D38820

Files:
  lib/CodeGen/CGExprScalar.cpp
  test/CodeGen/ppc-vector-compare.cc


Index: test/CodeGen/ppc-vector-compare.cc
===================================================================
--- test/CodeGen/ppc-vector-compare.cc
+++ test/CodeGen/ppc-vector-compare.cc
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -target-feature +altivec -triple powerpc64-unknown-unknown -emit-llvm %s \
+// RUN: %clang_cc1 -target-feature +vsx -triple powerpc64-unknown-unknown -emit-llvm %s \
 // RUN:            -o - | FileCheck %s
 
 #include <altivec.h>
@@ -9,3 +9,26 @@
   return v1 == v2;
 }
 
+// CHECK-LABEL: @_Z5test2Dv2_mS_Dv2_lS0_Dv2_yS1_Dv2_xS2_Dv2_dS3_
+bool test2(vector unsigned long v1, vector unsigned long v2,
+           vector long v3, vector long v4,
+           vector unsigned long long v5, vector unsigned long long v6,
+           vector long long v7, vector long long v8,
+           vector double v9, vector double v10) {
+  // CHECK: @llvm.ppc.altivec.vcmpequd.p
+  bool res = v1 == v2;
+
+  // CHECK: @llvm.ppc.altivec.vcmpequd.p
+  res |= v3 == v4;
+
+  // CHECK: @llvm.ppc.altivec.vcmpequd.p
+  res |= v5 == v6;
+
+  // CHECK: @llvm.ppc.altivec.vcmpequd.p
+  res |= v7 == v8;
+
+  // CHECK: @llvm.ppc.vsx.xvcmpeqdp.p
+  res |= v9 == v10;
+  return res;
+}
+
Index: lib/CodeGen/CGExprScalar.cpp
===================================================================
--- lib/CodeGen/CGExprScalar.cpp
+++ lib/CodeGen/CGExprScalar.cpp
@@ -3120,16 +3120,25 @@
     return (IT == VCMPEQ) ? llvm::Intrinsic::ppc_altivec_vcmpequh_p :
                             llvm::Intrinsic::ppc_altivec_vcmpgtsh_p;
   case BuiltinType::UInt:
-  case BuiltinType::ULong:
     return (IT == VCMPEQ) ? llvm::Intrinsic::ppc_altivec_vcmpequw_p :
                             llvm::Intrinsic::ppc_altivec_vcmpgtuw_p;
   case BuiltinType::Int:
-  case BuiltinType::Long:
     return (IT == VCMPEQ) ? llvm::Intrinsic::ppc_altivec_vcmpequw_p :
                             llvm::Intrinsic::ppc_altivec_vcmpgtsw_p;
+  case BuiltinType::ULong:
+  case BuiltinType::ULongLong:
+    return (IT == VCMPEQ) ? llvm::Intrinsic::ppc_altivec_vcmpequd_p :
+                            llvm::Intrinsic::ppc_altivec_vcmpgtud_p;
+  case BuiltinType::Long:
+  case BuiltinType::LongLong:
+    return (IT == VCMPEQ) ? llvm::Intrinsic::ppc_altivec_vcmpequd_p :
+                            llvm::Intrinsic::ppc_altivec_vcmpgtsd_p;
   case BuiltinType::Float:
     return (IT == VCMPEQ) ? llvm::Intrinsic::ppc_altivec_vcmpeqfp_p :
                             llvm::Intrinsic::ppc_altivec_vcmpgtfp_p;
+  case BuiltinType::Double:
+    return (IT == VCMPEQ) ? llvm::Intrinsic::ppc_vsx_xvcmpeqdp_p :
+                            llvm::Intrinsic::ppc_vsx_xvcmpgtdp_p;
   }
 }
 


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