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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
52 lines
1.9 KiB
LLVM
52 lines
1.9 KiB
LLVM
; RUN: opt < %s -S -indvars -loop-unroll -verify-dom-info | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:1"
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target triple = "x86_64-unknown-linux-gnu"
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; Make sure that this test doesn't crash because of dangling pointer in SCEV.
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declare void @llvm.experimental.guard(i1, ...)
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define void @test(i32* %p, i8** %p2, i64* %dest) {
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; CHECK-LABEL: @test(
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entry:
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br label %outer.loop
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outer.loop: ; preds = %outer.latch, %entry
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%local_2_ = phi i32 [ 10, %entry ], [ %tmp2, %outer.latch ]
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%tmp1 = icmp eq i32 %local_2_, 0
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br label %inner.loop
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outer.latch: ; preds = %inner.latch
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%tmp2 = add i32 %local_2_, 1
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br label %outer.loop
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inner.loop: ; preds = %inner.latch, %outer.loop
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%local_4_20 = phi i32 [ 7, %outer.loop ], [ %tmp15, %inner.latch ]
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%tmp6 = icmp eq i32 %local_4_20, 0
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call void (i1, ...) @llvm.experimental.guard(i1 %tmp6) [ "deopt"() ]
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br label %innermost.loop
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store.block: ; preds = %innermost.loop
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store i64 %tmp20, i64* %dest, align 8
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br i1 %tmp1, label %exit, label %inner.latch
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inner.latch: ; preds = %store.block
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%tmp15 = add i32 %local_4_20, 4
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%tmp16 = icmp sgt i32 %tmp15, 263
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br i1 %tmp16, label %outer.latch, label %inner.loop
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innermost.loop: ; preds = %innermost.loop, %inner.loop
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%tmp17 = phi i64 [ 0, %inner.loop ], [ %tmp20, %innermost.loop ]
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%local_6_51 = phi i32 [ 1, %inner.loop ], [ %tmp21, %innermost.loop ]
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%ze = zext i32 %local_6_51 to i64
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%tmp20 = add i64 %tmp17, %ze
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%tmp21 = add nuw nsw i32 %local_6_51, 1
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%tmp22 = icmp ugt i32 %local_6_51, 5
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br i1 %tmp22, label %store.block, label %innermost.loop
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exit: ; preds = %store.block
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ret void
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}
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