Changes in directory llvm/test/Regression/CodeGen/PowerPC:
rlwinm2.ll added (r1.1)
---
Log message:
Testcase for better rotate left and mask support
---
Diffs of the changes: (+30 -0)
rlwinm2.ll | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+)
Index: llvm/test/Regression/CodeGen/PowerPC/rlwinm2.ll
diff -c /dev/null llvm/test/Regression/CodeGen/PowerPC/rlwinm2.ll:1.1
*** /dev/null Fri Sep 22 00:50:07 2006
--- llvm/test/Regression/CodeGen/PowerPC/rlwinm2.ll Fri Sep 22 00:49:57 2006
***************
*** 0 ****
--- 1,30 ----
+ ; All of these ands and shifts should be folded into rlw[i]nm instructions
+ ; RUN: llvm-as < %s | llc -march=ppc32 | not grep and &&
+ ; RUN: llvm-as < %s | llc -march=ppc32 | not grep srawi &&
+ ; RUN: llvm-as < %s | llc -march=ppc32 | not grep srwi &&
+ ; RUN: llvm-as < %s | llc -march=ppc32 | not grep slwi &&
+ ; RUN: llvm-as < %s | llc -march=ppc32 | grep rlwnm | wc -l | grep 1 &&
+ ; RUN: llvm-as < %s | llc -march=ppc32 | grep rlwinm | wc -l | grep 1
+
+
+ implementation ; Functions:
+
+ uint %test1(uint %X, int %Y) {
+ entry:
+ %tmp = cast int %Y to ubyte ; <ubyte> [#uses=2]
+ %tmp1 = shl uint %X, ubyte %tmp ; <uint> [#uses=1]
+ %tmp2 = sub ubyte 32, %tmp ; <ubyte> [#uses=1]
+ %tmp3 = shr uint %X, ubyte %tmp2 ; <uint> [#uses=1]
+ %tmp4 = or uint %tmp1, %tmp3 ; <uint> [#uses=1]
+ %tmp6 = and uint %tmp4, 127 ; <uint> [#uses=1]
+ ret uint %tmp6
+ }
+
+ uint %test2(uint %X) {
+ entry:
+ %tmp1 = shr uint %X, ubyte 27 ; <uint> [#uses=1]
+ %tmp2 = shl uint %X, ubyte 5 ; <uint> [#uses=1]
+ %tmp2.masked = and uint %tmp2, 96 ; <uint> [#uses=1]
+ %tmp5 = or uint %tmp1, %tmp2.masked ; <uint> [#uses=1]
+ ret uint %tmp5
+ }
_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
