Mercurial > hg > CbC > CbC_llvm
comparison test/CodeGen/X86/2012-02-29-CoalescerBug.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 12 Dec 2013 13:56:28 +0900 |
| parents | |
| children | afa8332a0e37 |
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| -1:000000000000 | 0:95c75e76d11b |
|---|---|
| 1 ; RUN: llc -O1 <%s | |
| 2 ; PR12138 | |
| 3 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128" | |
| 4 target triple = "i386-apple-macosx10.7.0" | |
| 5 | |
| 6 %struct.S0 = type { i8, i32 } | |
| 7 | |
| 8 @d = external global [2 x [2 x %struct.S0]], align 4 | |
| 9 @c = external global i32, align 4 | |
| 10 @e = external global i32, align 4 | |
| 11 @b = external global i32, align 4 | |
| 12 @a = external global i32, align 4 | |
| 13 | |
| 14 define void @fn2() nounwind optsize ssp { | |
| 15 entry: | |
| 16 store i64 0, i64* bitcast ([2 x [2 x %struct.S0]]* @d to i64*), align 4 | |
| 17 %0 = load i32* @c, align 4 | |
| 18 %tobool2 = icmp eq i32 %0, 0 | |
| 19 %1 = load i32* @a, align 4 | |
| 20 %tobool4 = icmp eq i32 %1, 0 | |
| 21 br label %for.cond | |
| 22 | |
| 23 for.cond: ; preds = %if.end, %entry | |
| 24 %f.1.0 = phi i32 [ undef, %entry ], [ %sub, %if.end ] | |
| 25 %g.0 = phi i64 [ 0, %entry ], [ %ins, %if.end ] | |
| 26 %tobool = icmp eq i32 %f.1.0, 0 | |
| 27 br i1 %tobool, label %for.end, label %for.body | |
| 28 | |
| 29 for.body: ; preds = %for.cond | |
| 30 %2 = lshr i64 %g.0, 32 | |
| 31 %conv = trunc i64 %2 to i16 | |
| 32 br i1 %tobool2, label %lor.rhs, label %lor.end | |
| 33 | |
| 34 lor.rhs: ; preds = %for.body | |
| 35 store i32 1, i32* @e, align 4 | |
| 36 br label %lor.end | |
| 37 | |
| 38 lor.end: ; preds = %lor.rhs, %for.body | |
| 39 %xor.i = xor i16 %conv, 1 | |
| 40 %p1.lobit.i8 = lshr i64 %g.0, 47 | |
| 41 %p1.lobit.i8.tr = trunc i64 %p1.lobit.i8 to i16 | |
| 42 %p1.lobit.i = and i16 %p1.lobit.i8.tr, 1 | |
| 43 %and.i = and i16 %p1.lobit.i, %xor.i | |
| 44 %3 = xor i16 %and.i, 1 | |
| 45 %sub.conv.i = sub i16 %conv, %3 | |
| 46 %conv3 = sext i16 %sub.conv.i to i32 | |
| 47 store i32 %conv3, i32* @b, align 4 | |
| 48 br i1 %tobool4, label %if.end, label %for.end | |
| 49 | |
| 50 if.end: ; preds = %lor.end | |
| 51 %mask = and i64 %g.0, -256 | |
| 52 %ins = or i64 %mask, 1 | |
| 53 %sub = add nsw i32 %f.1.0, -1 | |
| 54 br label %for.cond | |
| 55 | |
| 56 for.end: ; preds = %lor.end, %for.cond | |
| 57 ret void | |
| 58 } |