1; RUN: opt %loadNPMPolly -polly-reschedule=0 -passes=polly-opt-isl \ 2; RUN: -polly-pattern-matching-based-opts=true -polly-tc-opt=true \ 3; RUN: -debug -disable-output < %s 2>&1 | FileCheck %s 4; REQUIRES: asserts 5; 6; for (i = 0; i < 1024; i++) 7; for (j = 0; j < 1024; j++) 8; for (l = 0; l < 64; ++l) 9; for (w = 0; w < 64; ++w) 10; C[i][j] += A[i][l][w] * B[w][j][l]; 11; 12; CHECK: The tensor contraction pattern was detected 13; 14target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 15target triple = "x86_64-unknown-linux-gnu" 16 17define internal void @kernel_tc(i32 %ni, i32 %nj, i32 %nl, i32 %nq, i32 %nw, double %alpha, double %beta, ptr %C, ptr %A, ptr %B) { 18entry: 19 br label %for.cond1.preheader 20 21for.cond1.preheader: ; preds = %for.inc30, %entry 22 %indvars.iv43 = phi i64 [ 0, %entry ], [ %indvars.iv.next44, %for.inc30 ] 23 br label %for.cond4.preheader 24 25for.cond4.preheader: ; preds = %for.inc27, %for.cond1.preheader 26 %indvars.iv40 = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next41, %for.inc27 ] 27 br label %for.cond7.preheader 28 29for.cond7.preheader: ; preds = %for.inc24, %for.cond4.preheader 30 %indvars.iv37 = phi i64 [ 0, %for.cond4.preheader ], [ %indvars.iv.next38, %for.inc24 ] 31 br label %for.body9 32 33for.body9: ; preds = %for.body9, %for.cond7.preheader 34 %indvars.iv = phi i64 [ 0, %for.cond7.preheader ], [ %indvars.iv.next, %for.body9 ] 35 %arrayidx13 = getelementptr inbounds [64 x [64 x double]], ptr %A, i64 %indvars.iv43, i64 %indvars.iv37, i64 %indvars.iv 36 %i = load double, ptr %arrayidx13, align 8 37 %arrayidx19 = getelementptr inbounds [1024 x [64 x double]], ptr %B, i64 %indvars.iv, i64 %indvars.iv40, i64 %indvars.iv37 38 %i1 = load double, ptr %arrayidx19, align 8 39 %mul = fmul fast double %i1, %i 40 %arrayidx23 = getelementptr inbounds [1024 x double], ptr %C, i64 %indvars.iv43, i64 %indvars.iv40 41 %i2 = load double, ptr %arrayidx23, align 8 42 %add = fadd fast double %i2, %mul 43 store double %add, ptr %arrayidx23, align 8 44 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 45 %exitcond = icmp ne i64 %indvars.iv.next, 64 46 br i1 %exitcond, label %for.body9, label %for.inc24 47 48for.inc24: ; preds = %for.body9 49 %indvars.iv.next38 = add nuw nsw i64 %indvars.iv37, 1 50 %exitcond39 = icmp ne i64 %indvars.iv.next38, 64 51 br i1 %exitcond39, label %for.cond7.preheader, label %for.inc27 52 53for.inc27: ; preds = %for.inc24 54 %indvars.iv.next41 = add nuw nsw i64 %indvars.iv40, 1 55 %exitcond42 = icmp ne i64 %indvars.iv.next41, 1024 56 br i1 %exitcond42, label %for.cond4.preheader, label %for.inc30 57 58for.inc30: ; preds = %for.inc27 59 %indvars.iv.next44 = add nuw nsw i64 %indvars.iv43, 1 60 %exitcond45 = icmp ne i64 %indvars.iv.next44, 1024 61 br i1 %exitcond45, label %for.cond1.preheader, label %for.end32 62 63for.end32: ; preds = %for.inc30 64 ret void 65} 66