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authorDimitry Andric <dim@FreeBSD.org>2013-04-08 18:41:23 +0000
committerDimitry Andric <dim@FreeBSD.org>2013-04-08 18:41:23 +0000
commit4a16efa3e43e35f0cc9efe3a67f620f0017c3d36 (patch)
tree06099edc18d30894081a822b756f117cbe0b8207 /test/Transforms/LoopStrengthReduce/2008-08-14-ShadowIV.ll
parent482e7bddf617ae804dc47133cb07eb4aa81e45de (diff)
downloadsrc-test2-4a16efa3e43e35f0cc9efe3a67f620f0017c3d36.tar.gz
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diff --git a/test/Transforms/LoopStrengthReduce/2008-08-14-ShadowIV.ll b/test/Transforms/LoopStrengthReduce/2008-08-14-ShadowIV.ll
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@@ -1,99 +0,0 @@
-; RUN: opt < %s -loop-reduce -S | grep "phi double" | count 1
-
-define void @foobar(i32 %n) nounwind {
-entry:
- icmp eq i32 %n, 0 ; <i1>:0 [#uses=2]
- br i1 %0, label %return, label %bb.nph
-
-bb.nph: ; preds = %entry
- %umax = select i1 %0, i32 1, i32 %n ; <i32> [#uses=1]
- br label %bb
-
-bb: ; preds = %bb, %bb.nph
- %i.03 = phi i32 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i32> [#uses=3]
- tail call void @bar( i32 %i.03 ) nounwind
- uitofp i32 %i.03 to double ; <double>:1 [#uses=1]
- tail call void @foo( double %1 ) nounwind
- %indvar.next = add i32 %i.03, 1 ; <i32> [#uses=2]
- %exitcond = icmp eq i32 %indvar.next, %umax ; <i1> [#uses=1]
- br i1 %exitcond, label %return, label %bb
-
-return: ; preds = %bb, %entry
- ret void
-}
-
-; Unable to eliminate cast because the mantissa bits for double are not enough
-; to hold all of i64 IV bits.
-define void @foobar2(i64 %n) nounwind {
-entry:
- icmp eq i64 %n, 0 ; <i1>:0 [#uses=2]
- br i1 %0, label %return, label %bb.nph
-
-bb.nph: ; preds = %entry
- %umax = select i1 %0, i64 1, i64 %n ; <i64> [#uses=1]
- br label %bb
-
-bb: ; preds = %bb, %bb.nph
- %i.03 = phi i64 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i64> [#uses=3]
- trunc i64 %i.03 to i32 ; <i32>:1 [#uses=1]
- tail call void @bar( i32 %1 ) nounwind
- uitofp i64 %i.03 to double ; <double>:2 [#uses=1]
- tail call void @foo( double %2 ) nounwind
- %indvar.next = add i64 %i.03, 1 ; <i64> [#uses=2]
- %exitcond = icmp eq i64 %indvar.next, %umax ; <i1> [#uses=1]
- br i1 %exitcond, label %return, label %bb
-
-return: ; preds = %bb, %entry
- ret void
-}
-
-; Unable to eliminate cast due to potentional overflow.
-define void @foobar3() nounwind {
-entry:
- tail call i32 (...)* @nn( ) nounwind ; <i32>:0 [#uses=1]
- icmp eq i32 %0, 0 ; <i1>:1 [#uses=1]
- br i1 %1, label %return, label %bb
-
-bb: ; preds = %bb, %entry
- %i.03 = phi i32 [ 0, %entry ], [ %3, %bb ] ; <i32> [#uses=3]
- tail call void @bar( i32 %i.03 ) nounwind
- uitofp i32 %i.03 to double ; <double>:2 [#uses=1]
- tail call void @foo( double %2 ) nounwind
- add i32 %i.03, 1 ; <i32>:3 [#uses=2]
- tail call i32 (...)* @nn( ) nounwind ; <i32>:4 [#uses=1]
- icmp ugt i32 %4, %3 ; <i1>:5 [#uses=1]
- br i1 %5, label %bb, label %return
-
-return: ; preds = %bb, %entry
- ret void
-}
-
-; Unable to eliminate cast due to overflow.
-define void @foobar4() nounwind {
-entry:
- br label %bb.nph
-
-bb.nph: ; preds = %entry
- br label %bb
-
-bb: ; preds = %bb, %bb.nph
- %i.03 = phi i8 [ 0, %bb.nph ], [ %indvar.next, %bb ] ; <i32> [#uses=3]
- %tmp2 = sext i8 %i.03 to i32 ; <i32>:0 [#uses=1]
- tail call void @bar( i32 %tmp2 ) nounwind
- %tmp3 = uitofp i8 %i.03 to double ; <double>:1 [#uses=1]
- tail call void @foo( double %tmp3 ) nounwind
- %indvar.next = add i8 %i.03, 1 ; <i32> [#uses=2]
- %tmp = sext i8 %indvar.next to i32
- %exitcond = icmp eq i32 %tmp, 32767 ; <i1> [#uses=1]
- br i1 %exitcond, label %return, label %bb
-
-return: ; preds = %bb, %entry
- ret void
-}
-
-declare void @bar(i32)
-
-declare void @foo(double)
-
-declare i32 @nn(...)
-