| ; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-dump-kernel-ir \ |
| ; RUN: -disable-output < %s | \ |
| ; RUN: FileCheck %s -check-prefix=KERNEL-IR |
| |
| ; REQUIRES: pollyacc |
| |
| ; Ensure that no dead instructions are emitted between the store and the |
| ; branch instruction of the ScopStmt. At some point, our dead-code-elimination |
| ; did not remove code that was inserted to compute the old (unused) branch |
| ; condition. This code referred to CPU registers and consequently resulted |
| ; in invalid bitcode. |
| |
| ; KERNEL-IR: store i32 0, i32 addrspace(1)* %polly.access.MemRef_sum_c, align 4 |
| ; KERNEL-IR-NEXT: br label %polly.merge |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @kernel_dynprog([50 x [50 x i32]]* %sum_c) { |
| entry: |
| br label %for.cond1.preheader |
| |
| for.cond1.preheader: ; preds = %entry |
| br label %for.body3 |
| |
| for.cond4.for.cond1.loopexit_crit_edge: ; preds = %for.end |
| br label %for.cond1.loopexit |
| |
| for.cond1.loopexit: ; preds = %for.cond4.for.cond1.loopexit_crit_edge |
| br i1 undef, label %for.body3, label %for.inc55 |
| |
| for.body3: ; preds = %for.cond1.loopexit, %for.cond1.preheader |
| %indvars.iv55 = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next56, %for.cond1.loopexit ] |
| %indvars.iv.next56 = add nuw nsw i64 %indvars.iv55, 1 |
| br label %for.body6 |
| |
| for.body6: ; preds = %for.end, %for.body3 |
| %indvars.iv50 = phi i64 [ 0, %for.body3 ], [ %indvars.iv.next51, %for.end ] |
| %arrayidx10 = getelementptr inbounds [50 x [50 x i32]], [50 x [50 x i32]]* %sum_c, i64 %indvars.iv55, i64 %indvars.iv50, i64 %indvars.iv55 |
| store i32 0, i32* %arrayidx10, align 4 |
| %cmp1334 = icmp slt i64 %indvars.iv.next56, %indvars.iv50 |
| br i1 %cmp1334, label %for.body14.lr.ph, label %for.end |
| |
| for.body14.lr.ph: ; preds = %for.body6 |
| br label %for.body14 |
| |
| for.body14: ; preds = %for.body14, %for.body14.lr.ph |
| %arrayidx32 = getelementptr inbounds [50 x [50 x i32]], [50 x [50 x i32]]* %sum_c, i64 %indvars.iv55, i64 %indvars.iv50, i64 0 |
| br i1 false, label %for.body14, label %for.cond12.for.end_crit_edge |
| |
| for.cond12.for.end_crit_edge: ; preds = %for.body14 |
| br label %for.end |
| |
| for.end: ; preds = %for.cond12.for.end_crit_edge, %for.body6 |
| %indvars.iv.next51 = add nuw nsw i64 %indvars.iv50, 1 |
| %lftr.wideiv53 = trunc i64 %indvars.iv.next51 to i32 |
| %exitcond54 = icmp ne i32 %lftr.wideiv53, 50 |
| br i1 %exitcond54, label %for.body6, label %for.cond4.for.cond1.loopexit_crit_edge |
| |
| for.inc55: ; preds = %for.cond1.loopexit |
| unreachable |
| } |
