2016-08-09 16:59:05 +08:00
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; RUN: opt %loadPolly -polly-codegen-ppcg -polly-acc-dump-kernel-ir \
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; RUN: -disable-output < %s | \
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; RUN: FileCheck %s -check-prefix=KERNEL-IR
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2016-08-09 17:11:39 +08:00
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; REQUIRES: pollyacc
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2016-08-09 16:59:05 +08:00
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; Ensure that no dead instructions are emitted between the store and the
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; branch instruction of the ScopStmt. At some point, our dead-code-elimination
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; did not remove code that was inserted to compute the old (unused) branch
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; condition. This code referred to CPU registers and consequently resulted
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; in invalid bitcode.
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; KERNEL-IR: store i32 0, i32* %polly.access.MemRef_sum_c, align 4
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; KERNEL-IR-NEXT: br label %polly.merge
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @kernel_dynprog([50 x [50 x i32]]* %sum_c) {
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entry:
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br label %for.cond1.preheader
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for.cond1.preheader: ; preds = %entry
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br label %for.body3
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for.cond4.for.cond1.loopexit_crit_edge: ; preds = %for.end
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br label %for.cond1.loopexit
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for.cond1.loopexit: ; preds = %for.cond4.for.cond1.loopexit_crit_edge
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br i1 undef, label %for.body3, label %for.inc55
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for.body3: ; preds = %for.cond1.loopexit, %for.cond1.preheader
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%indvars.iv55 = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next56, %for.cond1.loopexit ]
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%indvars.iv.next56 = add nuw nsw i64 %indvars.iv55, 1
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br label %for.body6
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for.body6: ; preds = %for.end, %for.body3
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%indvars.iv50 = phi i64 [ 0, %for.body3 ], [ %indvars.iv.next51, %for.end ]
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%arrayidx10 = getelementptr inbounds [50 x [50 x i32]], [50 x [50 x i32]]* %sum_c, i64 %indvars.iv55, i64 %indvars.iv50, i64 %indvars.iv55
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store i32 0, i32* %arrayidx10, align 4
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%cmp1334 = icmp slt i64 %indvars.iv.next56, %indvars.iv50
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br i1 %cmp1334, label %for.body14.lr.ph, label %for.end
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for.body14.lr.ph: ; preds = %for.body6
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br label %for.body14
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for.body14: ; preds = %for.body14, %for.body14.lr.ph
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%arrayidx32 = getelementptr inbounds [50 x [50 x i32]], [50 x [50 x i32]]* %sum_c, i64 %indvars.iv55, i64 %indvars.iv50, i64 0
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br i1 false, label %for.body14, label %for.cond12.for.end_crit_edge
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for.cond12.for.end_crit_edge: ; preds = %for.body14
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br label %for.end
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for.end: ; preds = %for.cond12.for.end_crit_edge, %for.body6
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%indvars.iv.next51 = add nuw nsw i64 %indvars.iv50, 1
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%lftr.wideiv53 = trunc i64 %indvars.iv.next51 to i32
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%exitcond54 = icmp ne i32 %lftr.wideiv53, 50
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br i1 %exitcond54, label %for.body6, label %for.cond4.for.cond1.loopexit_crit_edge
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for.inc55: ; preds = %for.cond1.loopexit
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unreachable
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}
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