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authorShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
committerShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
commite264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch)
tree59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/Transforms/InstCombine/apint-zext1.ll
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Check in LLVM r95781.
Diffstat (limited to 'test/Transforms/InstCombine/apint-zext1.ll')
-rw-r--r--test/Transforms/InstCombine/apint-zext1.ll11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/apint-zext1.ll b/test/Transforms/InstCombine/apint-zext1.ll
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+++ b/test/Transforms/InstCombine/apint-zext1.ll
@@ -0,0 +1,11 @@
+; Tests to make sure elimination of casts is working correctly
+; This test is for Integer BitWidth <= 64 && BitWidth % 2 != 0.
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+define i47 @test_sext_zext(i11 %A) {
+ %c1 = zext i11 %A to i39
+ %c2 = sext i39 %c1 to i47
+ ret i47 %c2
+; CHECK: %c2 = zext i11 %A to i47
+; CHECK: ret i47 %c2
+}