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authorChris Lattner <sabre@nondot.org>2007-04-18 03:04:37 +0000
committerChris Lattner <sabre@nondot.org>2007-04-18 03:04:37 +0000
commit1e6cf8630fa879c471c8623d90e3382b1344b80b (patch)
treed6544351355f4dff1eda19ef10a6041a9da7b01b /test/CodeGen
parent0a16a1f73816f7bdd420212feb72467707d5ac02 (diff)
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new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36243 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
-rw-r--r--test/CodeGen/X86/shl_elim.ll13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/shl_elim.ll b/test/CodeGen/X86/shl_elim.ll
new file mode 100644
index 0000000000..2e48e528c9
--- /dev/null
+++ b/test/CodeGen/X86/shl_elim.ll
@@ -0,0 +1,13 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep {movl 8(.esp), %eax}
+; RUN: llvm-as < %s | llc -march=x86 | grep {shll .15, .eax}
+; RUN: llvm-as < %s | llc -march=x86 | grep {sarl .16, .eax}
+
+define i32 @test1(i64 %a) {
+ %tmp29 = lshr i64 %a, 24 ; <i64> [#uses=1]
+ %tmp23 = trunc i64 %tmp29 to i32 ; <i32> [#uses=1]
+ %tmp410 = lshr i32 %tmp23, 9 ; <i32> [#uses=1]
+ %tmp45 = trunc i32 %tmp410 to i16 ; <i16> [#uses=1]
+ %tmp456 = sext i16 %tmp45 to i32 ; <i32> [#uses=1]
+ ret i32 %tmp456
+}
+