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comparison test/Transforms/IndVarSimplify/2008-10-03-CouldNotCompute.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
comparison
equal deleted inserted replaced
-1:000000000000 0:95c75e76d11b
1 ; RUN: opt < %s -indvars
2 ; PR2857
3
4 @foo = external global i32 ; <i32*> [#uses=1]
5
6 define void @test(i32 %n, i32 %arg) {
7 entry:
8 br i1 false, label %bb.nph, label %return
9
10 bb.nph: ; preds = %entry
11 %0 = load i32* @foo, align 4 ; <i32> [#uses=1]
12 %1 = sext i32 %0 to i64 ; <i64> [#uses=1]
13 br label %bb
14
15 bb: ; preds = %bb, %bb.nph
16 %.in = phi i32 [ %2, %bb ], [ %n, %bb.nph ] ; <i32> [#uses=1]
17 %val.02 = phi i64 [ %5, %bb ], [ 0, %bb.nph ] ; <i64> [#uses=2]
18 %result.01 = phi i64 [ %4, %bb ], [ 0, %bb.nph ] ; <i64> [#uses=1]
19 %2 = add i32 %.in, -1 ; <i32> [#uses=2]
20 %3 = mul i64 %1, %val.02 ; <i64> [#uses=1]
21 %4 = add i64 %3, %result.01 ; <i64> [#uses=2]
22 %5 = add i64 %val.02, 1 ; <i64> [#uses=1]
23 %6 = icmp sgt i32 %2, 0 ; <i1> [#uses=1]
24 br i1 %6, label %bb, label %bb3.bb4_crit_edge
25
26 bb3.bb4_crit_edge: ; preds = %bb
27 %.lcssa = phi i64 [ %4, %bb ] ; <i64> [#uses=0]
28 ret void
29
30 return: ; preds = %entry
31 ret void
32 }