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authorDimitry Andric <dim@FreeBSD.org>2012-12-02 13:10:19 +0000
committerDimitry Andric <dim@FreeBSD.org>2012-12-02 13:10:19 +0000
commit522600a229b950314b5f4af84eba4f3e8a0ffea1 (patch)
tree32b4679ab4b8f28e5228daafc65e9dc436935353 /test/Transforms/LICM/hoisting.ll
parent902a7b529820e6a0aa85f98f21afaeb1805a22f8 (diff)
downloadsrc-522600a229b950314b5f4af84eba4f3e8a0ffea1.tar.gz
src-522600a229b950314b5f4af84eba4f3e8a0ffea1.zip
Vendor import of llvm release_32 branch r168974 (effectively, 3.2 RC2):vendor/llvm/llvm-release_32-r168974
Notes
Notes: svn path=/vendor/llvm/dist/; revision=243789 svn path=/vendor/llvm/llvm-release_32-r168974/; revision=243790; tag=vendor/llvm/llvm-release_32-r168974
Diffstat (limited to 'test/Transforms/LICM/hoisting.ll')
-rw-r--r--test/Transforms/LICM/hoisting.ll28
1 files changed, 27 insertions, 1 deletions
diff --git a/test/Transforms/LICM/hoisting.ll b/test/Transforms/LICM/hoisting.ll
index 6f28d53af66e..98f93345e3c3 100644
--- a/test/Transforms/LICM/hoisting.ll
+++ b/test/Transforms/LICM/hoisting.ll
@@ -29,7 +29,7 @@ Out: ; preds = %LoopTail
}
-declare void @foo2(i32)
+declare void @foo2(i32) nounwind
;; It is ok and desirable to hoist this potentially trapping instruction.
@@ -64,3 +64,29 @@ Out: ; preds = %Loop
%C = sub i32 %A, %B ; <i32> [#uses=1]
ret i32 %C
}
+
+; CHECK: @test4
+; CHECK: call
+; CHECK: sdiv
+; CHECK: ret
+define i32 @test4(i32 %x, i32 %y) nounwind uwtable ssp {
+entry:
+ br label %for.body
+
+for.body: ; preds = %entry, %for.body
+ %i.02 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
+ %n.01 = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ call void @foo_may_call_exit(i32 0)
+ %div = sdiv i32 %x, %y
+ %add = add nsw i32 %n.01, %div
+ %inc = add nsw i32 %i.02, 1
+ %cmp = icmp slt i32 %inc, 10000
+ br i1 %cmp, label %for.body, label %for.end
+
+for.end: ; preds = %for.body
+ %n.0.lcssa = phi i32 [ %add, %for.body ]
+ ret i32 %n.0.lcssa
+}
+
+declare void @foo_may_call_exit(i32)
+