[llvm-commits] CVS: llvm/test/CodeGen/X86/shl_elim.ll

Chris Lattner sabre at nondot.org
Tue Apr 17 20:04:55 PDT 2007



Changes in directory llvm/test/CodeGen/X86:

shl_elim.ll added (r1.1)
---
Log message:

new testcase


---
Diffs of the changes:  (+13 -0)

 shl_elim.ll |   13 +++++++++++++
 1 files changed, 13 insertions(+)


Index: llvm/test/CodeGen/X86/shl_elim.ll
diff -c /dev/null llvm/test/CodeGen/X86/shl_elim.ll:1.1
*** /dev/null	Tue Apr 17 22:04:47 2007
--- llvm/test/CodeGen/X86/shl_elim.ll	Tue Apr 17 22:04:37 2007
***************
*** 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
+ }
+ 






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