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llvm-project/clang/test/CodeGen/ppc-vector-compare.cpp

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[CGExprScalar] Add missing types in function GetIntrinsic 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. Differential Revision: https://reviews.llvm.org/D38820 llvm-svn: 316179
2017-10-20 04:11:23 +08:00
// RUN: %clang_cc1 -target-feature +vsx -triple powerpc64-unknown-unknown -emit-llvm %s \
[CGExprScalar] In EmitCompare trunc the result if it has different type as E->getType() Usually compare expression should return i1 type, so EmitScalarConversion is called before return return EmitScalarConversion(Result, CGF.getContext().BoolTy, E->getType(), E->getExprLoc()); But when ppc intrinsic is called to compare vectors, the ppc intrinsic can return i32 even E->getType() is BoolTy, in this case EmitScalarConversion does nothing, an i32 type result is returned and causes crash later. This patch detects this case and truncates the result before return. Differential Revision: https://reviews.llvm.org/D38656 llvm-svn: 315358
2017-10-11 04:31:27 +08:00
// RUN: -o - | FileCheck %s
#include <altivec.h>
// CHECK-LABEL: @_Z5test1Dv8_tS_
// CHECK: @llvm.ppc.altivec.vcmpequh.p
bool test1(vector unsigned short v1, vector unsigned short v2) {
return v1 == v2;
}
[CGExprScalar] Add missing types in function GetIntrinsic 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. Differential Revision: https://reviews.llvm.org/D38820 llvm-svn: 316179
2017-10-20 04:11:23 +08:00
// 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;
}