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authorStephen Hines <srhines@google.com>2015-04-01 18:49:24 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2015-04-01 18:49:26 +0000
commit3fa16bd6062e23bcdb82ed4dd965674792e6b761 (patch)
tree9348fc507292f7e8715d22d64ce5a32131b4f875 /test/Transforms/Reassociate/min_int.ll
parentbeed47390a60f6f0c77532b3d3f76bb47ef49423 (diff)
parentebe69fe11e48d322045d5949c83283927a0d790b (diff)
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Merge "Update aosp/master LLVM for rebase to r230699."
Diffstat (limited to 'test/Transforms/Reassociate/min_int.ll')
-rw-r--r--test/Transforms/Reassociate/min_int.ll13
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diff --git a/test/Transforms/Reassociate/min_int.ll b/test/Transforms/Reassociate/min_int.ll
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--- /dev/null
+++ b/test/Transforms/Reassociate/min_int.ll
@@ -0,0 +1,13 @@
+; RUN: opt < %s -reassociate -dce -S | FileCheck %s
+
+; MIN_INT cannot be negated during reassociation
+
+define i32 @minint(i32 %i) {
+; CHECK: %mul = mul i32 %i, -2147483648
+; CHECK-NEXT: %add = add i32 %mul, 1
+; CHECK-NEXT: ret i32 %add
+ %mul = mul i32 %i, -2147483648
+ %add = add i32 %mul, 1
+ ret i32 %add
+}
+