// RUN: %clang_cc1 %s -triple hexagon-unknown-elf -O2 -emit-llvm -o - | FileCheck %s typedef union __attribute__((aligned(4))) { unsigned short uh[2]; unsigned uw; } vect32; void bar(vect32 p[][2]); // CHECK-LABEL: define{{.*}} void @fred void fred(unsigned Num, int Vec[2], int *Index, int Arr[4][2]) { vect32 Tmp[4][2]; // Generate tbaa for the load of Index: // CHECK: load i32, i32* %Index{{.*}}tbaa // But no tbaa for the two stores: // CHECK: %uw[[UW1:[0-9]*]] = getelementptr // CHECK: store{{.*}}%uw[[UW1]] // CHECK: tbaa ![[OCPATH:[0-9]+]] // There will be a load after the store, and it will use tbaa. Make sure // the check-not above doesn't find it: // CHECK: load Tmp[*Index][0].uw = Arr[*Index][0] * Num; // CHECK: %uw[[UW2:[0-9]*]] = getelementptr // CHECK: store{{.*}}%uw[[UW2]] // CHECK: tbaa ![[OCPATH]] Tmp[*Index][1].uw = Arr[*Index][1] * Num; // Same here, don't generate tbaa for the loads: // CHECK: %uh[[UH1:[0-9]*]] = bitcast %union.vect32 // CHECK: %arrayidx[[AX1:[0-9]*]] = getelementptr{{.*}}%uh[[UH1]] // CHECK: load i16, i16* %arrayidx[[AX1]] // CHECK: tbaa ![[OCPATH]] // CHECK: store Vec[0] = Tmp[*Index][0].uh[1]; // CHECK: %uh[[UH2:[0-9]*]] = bitcast %union.vect32 // CHECK: %arrayidx[[AX2:[0-9]*]] = getelementptr{{.*}}%uh[[UH2]] // CHECK: load i16, i16* %arrayidx[[AX2]] // CHECK: tbaa ![[OCPATH]] // CHECK: store Vec[1] = Tmp[*Index][1].uh[1]; bar(Tmp); } // CHECK-DAG: ![[CHAR:[0-9]+]] = !{!"omnipotent char" // CHECK-DAG: ![[OCPATH]] = !{![[CHAR]], ![[CHAR]], i64 0}