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diff test/CodeGen/X86/pr12889.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
parents
children afa8332a0e37
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/X86/pr12889.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,15 @@
+; RUN: llc < %s -march=x86
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+@c0 = common global i8 0, align 1
+
+define void @func() nounwind uwtable {
+entry:
+  %0 = load i8* @c0, align 1
+  %tobool = icmp ne i8 %0, 0
+  %conv = zext i1 %tobool to i8
+  %storemerge = shl nuw nsw i8 %conv, %conv
+  store i8 %storemerge, i8* @c0, align 1
+  ret void
+}