Changes in directory llvm/test/Regression/CodeGen/X86:
mul-shift-reassoc.ll added (r1.1)
---
Log message:
new testcase
---
Diffs of the changes: (+12 -0)
mul-shift-reassoc.ll | 12 ++++++++++++
1 files changed, 12 insertions(+)
Index: llvm/test/Regression/CodeGen/X86/mul-shift-reassoc.ll
diff -c /dev/null llvm/test/Regression/CodeGen/X86/mul-shift-reassoc.ll:1.1
*** /dev/null Tue Feb 28 21:43:48 2006
--- llvm/test/Regression/CodeGen/X86/mul-shift-reassoc.ll Tue Feb 28
21:43:38 2006
***************
*** 0 ****
--- 1,12 ----
+ ; RUN: llvm-as < %s | llc -march=x86 | grep lea
+ ; RUN: llvm-as < %s | llc -march=x86 | not grep add
+
+ int %test(int %X, int %Y) {
+ ; Push the shl through the mul to allow an LEA to be formed, instead
+ ; of using a shift and add separately.
+ %tmp.2 = shl int %X, ubyte 1
+ %tmp.3 = mul int %tmp.2, %Y
+ %tmp.5 = add int %tmp.3, %Y
+ ret int %tmp.5
+ }
+
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