forked from OSchip/llvm-project
60 lines
1.7 KiB
LLVM
60 lines
1.7 KiB
LLVM
; RUN: opt %loadPolly -S -polly-codegen < %s | FileCheck %s
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; XFAIL: *
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;
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; CHECK-LABEL: polly.stmt.if.then:
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; CHECK-NEXT: unreachable
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;
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; void f(int *A, int N) {
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; for (int i = 0; i < 1024; i++)
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; if (i == N) {
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; if (A[i])
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; abort();
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; else
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; A[i] = i;
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; }
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; }
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @f(i32* %A, i64 %N) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc, %entry
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
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%cmp = icmp slt i64 %indvars.iv, 1024
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br i1 %cmp, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp = load i32, i32* %arrayidx, align 4
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%cmp.outer = icmp eq i64 %indvars.iv, %N
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br i1 %cmp.outer, label %if.then.outer, label %for.inc
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if.then.outer:
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%tobool = icmp eq i32 %tmp, 0
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br i1 %tobool, label %if.else, label %if.then
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if.then: ; preds = %for.body
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call void @abort()
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unreachable
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if.else: ; preds = %for.body
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%arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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%tmp1 = trunc i64 %indvars.iv to i32
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store i32 %tmp1, i32* %arrayidx2, align 4
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br label %if.end
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if.end: ; preds = %if.else
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br label %for.inc
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for.inc: ; preds = %if.end
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %for.cond
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for.end: ; preds = %for.cond
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ret void
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}
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declare void @abort()
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