; RUN: opt %loadNPMPolly -passes=polly-opt-isl -polly-pattern-matching-based-opts=true \
; RUN: -polly-tc-opt=true -debug -disable-output < %s 2>&1 | FileCheck %s
; REQUIRES: asserts
;
; for (i = 0; i < 32; i++)
; for (j = 0; j < 32; j++)
; for (k = 0; k < 32; ++k)
; for (l = 0; l < 32; ++l)
; for (w = 0; w < 32; ++w)
; for (q = 0; q < 32; ++q)
; C[i][j][k][w] += A[i][l][j][q] * B[q][w][l][k];
;
; CHECK: The tensor contraction pattern was detected
;
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define internal void @kernel_tc(i32 %ni, i32 %nj, i32 %nk, i32 %nl, i32 %nq, i32 %nw, double %alpha, double %beta, ptr %C, ptr %A, ptr %B) {
entry:
br label %for.cond1.preheader
for.cond1.preheader: ; preds = %for.inc50, %entry
%indvars.iv71 = phi i64 [ 0, %entry ], [ %indvars.iv.next72, %for.inc50 ]
br label %for.cond4.preheader
for.cond4.preheader: ; preds = %for.inc47, %for.cond1.preheader
%indvars.iv68 = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next69, %for.inc47 ]
br label %for.cond7.preheader
for.cond7.preheader: ; preds = %for.inc44, %for.cond4.preheader
%indvars.iv65 = phi i64 [ 0, %for.cond4.preheader ], [ %indvars.iv.next66, %for.inc44 ]
br label %for.cond10.preheader
for.cond10.preheader: ; preds = %for.inc41, %for.cond7.preheader
%indvars.iv62 = phi i64 [ 0, %for.cond7.preheader ], [ %indvars.iv.next63, %for.inc41 ]
br label %for.cond13.preheader
for.cond13.preheader: ; preds = %for.inc38, %for.cond10.preheader
%indvars.iv59 = phi i64 [ 0, %for.cond10.preheader ], [ %indvars.iv.next60, %for.inc38 ]
br label %for.body15
for.body15: ; preds = %for.body15, %for.cond13.preheader
%indvars.iv = phi i64 [ 0, %for.cond13.preheader ], [ %indvars.iv.next, %for.body15 ]
%arrayidx21 = getelementptr inbounds [32 x [32 x [32 x double]]], ptr %A, i64 %indvars.iv71, i64 %indvars.iv62, i64 %indvars.iv68, i64 %indvars.iv
%i = load double, ptr %arrayidx21, align 8
%arrayidx29 = getelementptr inbounds [32 x [32 x [32 x double]]], ptr %B, i64 %indvars.iv, i64 %indvars.iv59, i64 %indvars.iv62, i64 %indvars.iv65
%i1 = load double, ptr %arrayidx29, align 8
%mul = fmul fast double %i1, %i
%arrayidx37 = getelementptr inbounds [32 x [32 x [32 x double]]], ptr %C, i64 %indvars.iv71, i64 %indvars.iv68, i64 %indvars.iv65, i64 %indvars.iv59
%i2 = load double, ptr %arrayidx37, align 8
%add = fadd fast double %i2, %mul
store double %add, ptr %arrayidx37, align 8
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp ne i64 %indvars.iv.next, 32
br i1 %exitcond, label %for.body15, label %for.inc38
for.inc38: ; preds = %for.body15
%indvars.iv.next60 = add nuw nsw i64 %indvars.iv59, 1
%exitcond61 = icmp ne i64 %indvars.iv.next60, 32
br i1 %exitcond61, label %for.cond13.preheader, label %for.inc41
for.inc41: ; preds = %for.inc38
%indvars.iv.next63 = add nuw nsw i64 %indvars.iv62, 1
%exitcond64 = icmp ne i64 %indvars.iv.next63, 32
br i1 %exitcond64, label %for.cond10.preheader, label %for.inc44
for.inc44: ; preds = %for.inc41
%indvars.iv.next66 = add nuw nsw i64 %indvars.iv65, 1
%exitcond67 = icmp ne i64 %indvars.iv.next66, 32
br i1 %exitcond67, label %for.cond7.preheader, label %for.inc47
for.inc47: ; preds = %for.inc44
%indvars.iv.next69 = add nuw nsw i64 %indvars.iv68, 1
%exitcond70 = icmp ne i64 %indvars.iv.next69, 32
br i1 %exitcond70, label %for.cond4.preheader, label %for.inc50
for.inc50: ; preds = %for.inc47
%indvars.iv.next72 = add nuw nsw i64 %indvars.iv71, 1
%exitcond73 = icmp ne i64 %indvars.iv.next72, 32
br i1 %exitcond73, label %for.cond1.preheader, label %for.end52
for.end52: ; preds = %for.inc50
ret void
}