| ; RUN: opt %loadPolly -polly-opt-isl -polly-pattern-matching-based-opts=true -debug < %s 2>&1 | FileCheck %s |
| ; REQUIRES: asserts |
| ; |
| ; /* C := alpha*A*B + beta*C */ |
| ; for (i = 0; i < _PB_NI; i++) |
| ; for (j = 0; j < _PB_NJ; j += 2) |
| ; { |
| ; C[i][j] *= beta; |
| ; for (k = 0; k < _PB_NK; ++k) |
| ; C[i][j] += alpha * A[i][k] * B[k][j]; |
| ; } |
| ; |
| ; Check that we won’t detect the matrix multiplication pattern, |
| ; if, for example, there are memory accesses that have stride 2 |
| ; after the interchanging of loops. |
| ; |
| ; CHECK-NOT: The matrix multiplication pattern was detected |
| ; |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define internal void @kernel_gemm(i32 %arg, i32 %arg1, i32 %arg2, double %arg3, double %arg4, [1056 x double]* %arg5, [1024 x double]* %arg6, [1056 x double]* %arg7) { |
| bb: |
| br label %bb8 |
| |
| bb8: ; preds = %bb39, %bb |
| %tmp = phi i32 [ 0, %bb ], [ %tmp40, %bb39 ] |
| %tmp9 = icmp slt i32 %tmp, 1056 |
| br i1 %tmp9, label %bb10, label %bb41 |
| |
| bb10: ; preds = %bb8 |
| br label %bb11 |
| |
| bb11: ; preds = %bb37, %bb10 |
| %tmp12 = phi i32 [ 0, %bb10 ], [ %tmp38, %bb37 ] |
| %tmp13 = icmp slt i32 %tmp12, 1056 |
| br i1 %tmp13, label %bb14, label %bb39 |
| |
| bb14: ; preds = %bb11 |
| %tmp15 = sext i32 %tmp12 to i64 |
| %tmp16 = sext i32 %tmp to i64 |
| %tmp17 = getelementptr inbounds [1056 x double], [1056 x double]* %arg5, i64 %tmp16 |
| %tmp18 = getelementptr inbounds [1056 x double], [1056 x double]* %tmp17, i64 0, i64 %tmp15 |
| %tmp19 = load double, double* %tmp18, align 8 |
| %tmp20 = fmul double %tmp19, %arg4 |
| store double %tmp20, double* %tmp18, align 8 |
| br label %bb21 |
| |
| bb21: ; preds = %bb24, %bb14 |
| %tmp22 = phi i32 [ 0, %bb14 ], [ %tmp36, %bb24 ] |
| %tmp23 = icmp slt i32 %tmp22, 1024 |
| br i1 %tmp23, label %bb24, label %bb37 |
| |
| bb24: ; preds = %bb21 |
| %tmp25 = sext i32 %tmp22 to i64 |
| %tmp26 = getelementptr inbounds [1024 x double], [1024 x double]* %arg6, i64 %tmp16 |
| %tmp27 = getelementptr inbounds [1024 x double], [1024 x double]* %tmp26, i64 0, i64 %tmp25 |
| %tmp28 = load double, double* %tmp27, align 8 |
| %tmp29 = fmul double %arg3, %tmp28 |
| %tmp30 = getelementptr inbounds [1056 x double], [1056 x double]* %arg7, i64 %tmp25 |
| %tmp31 = getelementptr inbounds [1056 x double], [1056 x double]* %tmp30, i64 0, i64 %tmp15 |
| %tmp32 = load double, double* %tmp31, align 8 |
| %tmp33 = fmul double %tmp29, %tmp32 |
| %tmp34 = load double, double* %tmp18, align 8 |
| %tmp35 = fadd double %tmp34, %tmp33 |
| store double %tmp35, double* %tmp18, align 8 |
| %tmp36 = add nsw i32 %tmp22, 1 |
| br label %bb21 |
| |
| bb37: ; preds = %bb21 |
| %tmp38 = add nsw i32 %tmp12, 2 |
| br label %bb11 |
| |
| bb39: ; preds = %bb11 |
| %tmp40 = add nsw i32 %tmp, 1 |
| br label %bb8 |
| |
| bb41: ; preds = %bb8 |
| ret void |
| } |