Changes in directory llvm/test/Regression/Transforms/InstCombine:
bswap.ll added (r1.1)
---
Log message:
new testcase, instcombine should turn these into llvm.bswap intrinsics.
---
Diffs of the changes: (+28 -0)
bswap.ll | 28 ++++++++++++++++++++++++++++
1 files changed, 28 insertions(+)
Index: llvm/test/Regression/Transforms/InstCombine/bswap.ll
diff -c /dev/null llvm/test/Regression/Transforms/InstCombine/bswap.ll:1.1
*** /dev/null Thu Jun 15 14:06:52 2006
--- llvm/test/Regression/Transforms/InstCombine/bswap.ll Thu Jun 15
14:06:42 2006
***************
*** 0 ****
--- 1,28 ----
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'call.*llvm.bswap' |
wc -l | grep 2
+
+ uint %test1(uint %i) {
+ %tmp1 = shr uint %i, ubyte 24 ; <uint> [#uses=1]
+ %tmp3 = shr uint %i, ubyte 8 ; <uint> [#uses=1]
+ %tmp4 = and uint %tmp3, 65280 ; <uint> [#uses=1]
+ %tmp5 = or uint %tmp1, %tmp4 ; <uint> [#uses=1]
+ %tmp7 = shl uint %i, ubyte 8 ; <uint> [#uses=1]
+ %tmp8 = and uint %tmp7, 16711680 ; <uint> [#uses=1]
+ %tmp9 = or uint %tmp5, %tmp8 ; <uint> [#uses=1]
+ %tmp11 = shl uint %i, ubyte 24 ; <uint> [#uses=1]
+ %tmp12 = or uint %tmp9, %tmp11 ; <uint> [#uses=1]
+ ret uint %tmp12
+ }
+
+ uint %test2(uint %arg) {
+ %tmp2 = shl uint %arg, ubyte 24 ; <uint> [#uses=1]
+ %tmp4 = shl uint %arg, ubyte 8 ; <uint> [#uses=1]
+ %tmp5 = and uint %tmp4, 16711680 ; <uint> [#uses=1]
+ %tmp6 = or uint %tmp2, %tmp5 ; <uint> [#uses=1]
+ %tmp8 = shr uint %arg, ubyte 8 ; <uint> [#uses=1]
+ %tmp9 = and uint %tmp8, 65280 ; <uint> [#uses=1]
+ %tmp10 = or uint %tmp6, %tmp9 ; <uint> [#uses=1]
+ %tmp12 = shr uint %arg, ubyte 24 ; <uint> [#uses=1]
+ %tmp14 = or uint %tmp10, %tmp12 ; <uint> [#uses=1]
+ ret uint %tmp14
+ }
+
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