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0aa53f2b52
with code that was expecting different bit widths for different values. Make getTruncateOrZeroExtend a method on ScalarEvolution, and use it. llvm-svn: 52248
44 lines
1.6 KiB
LLVM
44 lines
1.6 KiB
LLVM
; RUN: llvm-as < %s | opt -analyze -scalar-evolution 2>/dev/null
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; PR2433
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define i32 @main1(i32 %argc, i8** %argv) nounwind {
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entry:
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br i1 false, label %bb10, label %bb23
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bb10: ; preds = %bb10, %entry
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%accum.03 = phi i64 [ %tmp14, %bb10 ], [ 0, %entry ] ; <i64> [#uses=1]
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%i.02 = phi i32 [ %tmp16, %bb10 ], [ 0, %entry ] ; <i32> [#uses=1]
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%d.1.01 = phi i64 [ %tmp5.i, %bb10 ], [ 0, %entry ] ; <i64> [#uses=1]
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%tmp5.i = add i64 %d.1.01, 1 ; <i64> [#uses=2]
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%tmp14 = add i64 %accum.03, %tmp5.i ; <i64> [#uses=2]
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%tmp16 = add i32 %i.02, 1 ; <i32> [#uses=2]
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%tmp20 = icmp slt i32 %tmp16, 0 ; <i1> [#uses=1]
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br i1 %tmp20, label %bb10, label %bb23
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bb23: ; preds = %bb10, %entry
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%accum.0.lcssa = phi i64 [ 0, %entry ], [ %tmp14, %bb10 ] ; <i64> [#uses=0]
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ret i32 0
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}
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define i32 @main2(i32 %argc, i8** %argv) {
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entry:
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%tmp8 = tail call i32 @atoi( i8* null ) nounwind readonly ; <i32> [#uses=1]
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br i1 false, label %bb9, label %bb21
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bb9: ; preds = %bb9, %entry
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%accum.03 = phi i64 [ %tmp12, %bb9 ], [ 0, %entry ] ; <i64> [#uses=1]
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%i.02 = phi i32 [ %tmp14, %bb9 ], [ 0, %entry ] ; <i32> [#uses=1]
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%d.1.01 = phi i64 [ %tmp4.i, %bb9 ], [ 0, %entry ] ; <i64> [#uses=1]
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%tmp4.i = add i64 %d.1.01, 1 ; <i64> [#uses=2]
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%tmp12 = add i64 %accum.03, %tmp4.i ; <i64> [#uses=2]
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%tmp14 = add i32 %i.02, 1 ; <i32> [#uses=2]
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%tmp18 = icmp slt i32 %tmp14, %tmp8 ; <i1> [#uses=1]
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br i1 %tmp18, label %bb9, label %bb21
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bb21: ; preds = %bb9, %entry
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%accum.0.lcssa = phi i64 [ 0, %entry ], [ %tmp12, %bb9 ] ; <i64> [#uses=0]
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ret i32 0
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}
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declare i32 @atoi(i8*) nounwind readonly
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