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authorPreston Gurd <preston.gurd@intel.com>2013-10-01 17:02:48 +0000
committerPreston Gurd <preston.gurd@intel.com>2013-10-01 17:02:48 +0000
commit8df451fc0b69a4680f2d2ae116b2978658581d98 (patch)
tree9c6fd11c6f08a3c48c98c7e1bcd9a321e91f2965 /test/CodeGen/X86/atom-lea-addw-bug.ll
parent041f7c8d65a653701cb9ed464911cd44b19ab47e (diff)
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Add test case for PR16785.
Thanks for Dimitry Andric, Rafael Espindola, and Benjamin Kramer for providing and progressively reducing the test case! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191782 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/atom-lea-addw-bug.ll')
-rw-r--r--test/CodeGen/X86/atom-lea-addw-bug.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/X86/atom-lea-addw-bug.ll b/test/CodeGen/X86/atom-lea-addw-bug.ll
new file mode 100644
index 0000000000..5cda2df432
--- /dev/null
+++ b/test/CodeGen/X86/atom-lea-addw-bug.ll
@@ -0,0 +1,19 @@
+; RUN: llc < %s -mcpu=atom | FileCheck %s
+
+; ModuleID = 'bugpoint-reduced-simplified.bc'
+target triple = "x86_64-apple-darwin12.5.0"
+
+define i32 @DoLayout() {
+entry:
+ %tmp1 = load i16* undef, align 2
+ %tmp17 = load i16* null, align 2
+ %tmp19 = load i16* undef, align 2
+ %shl = shl i16 %tmp19, 1
+ %add55 = add i16 %tmp17, %tmp1
+ %add57 = add i16 %add55, %shl
+ %conv60 = zext i16 %add57 to i32
+ %add61 = add nsw i32 %conv60, 0
+ %conv63 = and i32 %add61, 65535
+ ret i32 %conv63
+; CHECK: addw
+}