forked from OSchip/llvm-project
33 lines
1.2 KiB
LLVM
33 lines
1.2 KiB
LLVM
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; RUN: opt %loadPolly -polly-import-jscop -polly-import-jscop-dir=%S -polly-codegen < %s
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; This test case checks that Polly does not break for PHI guard statement.
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define i32 @phi_guard() {
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entry:
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%acc.reg2mem = alloca i32
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br label %for.preheader
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for.preheader: ; preds = %for.end, %entry
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%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.end ]
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store i32 0, i32* %acc.reg2mem
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br label %for.inc
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for.inc: ; preds = %for.inc, %for.preheader
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%0 = phi i32 [ 0, %for.preheader ], [ %1, %for.inc ]
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%1 = add nsw i32 %0, 1
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store i32 %1, i32* %acc.reg2mem
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%exitcond = icmp ne i32 %1, 20
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br i1 %exitcond, label %for.inc, label %for.end
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for.end: ; preds = %for.inc
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%indvar.next = add i64 %indvar, 1
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%exitcond4 = icmp ne i64 %indvar.next, 20
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br i1 %exitcond4, label %for.preheader, label %for.end10
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for.end10: ; preds = %for.end
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%res = load i32* %acc.reg2mem, align 4
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ret i32 %res
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}
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