1 ; REQUIRES: to-be-fixed 2 ; RUN: llc -march=hexagon -mcpu=hexagonv5 -enable-pipeliner < %s | FileCheck %s 3 4 ; Multiply and accumulate 5 ; CHECK: mpyi([[REG0:r([0-9]+)]],[[REG1:r([0-9]+)]]) 6 ; CHECK-NEXT: [[REG1]] = memw(r{{[0-9]+}}++#4) 7 ; CHECK-NEXT: [[REG0]] = memw(r{{[0-9]+}}++#4) 8 ; CHECK-NEXT: endloop0 9 10 define i32 @f0(i32* %a0, i32* %a1, i32 %a2) { 11 b0: 12 br label %b1 13 14 b1: ; preds = %b1, %b0 15 %v0 = phi i32 [ 0, %b0 ], [ %v7, %b1 ] 16 %v1 = phi i32* [ %a0, %b0 ], [ %v10, %b1 ] 17 %v2 = phi i32* [ %a1, %b0 ], [ %v11, %b1 ] 18 %v3 = phi i32 [ 0, %b0 ], [ %v8, %b1 ] 19 %v4 = load i32, i32* %v1, align 4 20 %v5 = load i32, i32* %v2, align 4 21 %v6 = mul nsw i32 %v5, %v4 22 %v7 = add nsw i32 %v6, %v0 23 %v8 = add nsw i32 %v3, 1 24 %v9 = icmp eq i32 %v8, 10000 25 %v10 = getelementptr i32, i32* %v1, i32 1 26 %v11 = getelementptr i32, i32* %v2, i32 1 27 br i1 %v9, label %b2, label %b1 28 29 b2: ; preds = %b1 30 ret i32 %v7 31 } 32
