Mercurial > hg > CbC > CbC_llvm
view test/CodeGen/PowerPC/rlwinm.ll @ 100:7d135dc70f03 LLVM 3.9
LLVM 3.9
author | Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp> |
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date | Tue, 26 Jan 2016 22:53:40 +0900 |
parents | 95c75e76d11b |
children | 1172e4bd9c6f |
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; All of these ands and shifts should be folded into rlwimi's ; RUN: llc < %s -march=ppc32 -o %t ; RUN: not grep and %t ; RUN: not grep srawi %t ; RUN: not grep srwi %t ; RUN: not grep slwi %t ; RUN: grep rlwinm %t | count 8 define i32 @test1(i32 %a) { entry: %tmp.1 = and i32 %a, 268431360 ; <i32> [#uses=1] ret i32 %tmp.1 } define i32 @test2(i32 %a) { entry: %tmp.1 = and i32 %a, -268435441 ; <i32> [#uses=1] ret i32 %tmp.1 } define i32 @test3(i32 %a) { entry: %tmp.2 = ashr i32 %a, 8 ; <i32> [#uses=1] %tmp.3 = and i32 %tmp.2, 255 ; <i32> [#uses=1] ret i32 %tmp.3 } define i32 @test4(i32 %a) { entry: %tmp.3 = lshr i32 %a, 8 ; <i32> [#uses=1] %tmp.4 = and i32 %tmp.3, 255 ; <i32> [#uses=1] ret i32 %tmp.4 } define i32 @test5(i32 %a) { entry: %tmp.2 = shl i32 %a, 8 ; <i32> [#uses=1] %tmp.3 = and i32 %tmp.2, -8388608 ; <i32> [#uses=1] ret i32 %tmp.3 } define i32 @test6(i32 %a) { entry: %tmp.1 = and i32 %a, 65280 ; <i32> [#uses=1] %tmp.2 = ashr i32 %tmp.1, 8 ; <i32> [#uses=1] ret i32 %tmp.2 } define i32 @test7(i32 %a) { entry: %tmp.1 = and i32 %a, 65280 ; <i32> [#uses=1] %tmp.2 = lshr i32 %tmp.1, 8 ; <i32> [#uses=1] ret i32 %tmp.2 } define i32 @test8(i32 %a) { entry: %tmp.1 = and i32 %a, 16711680 ; <i32> [#uses=1] %tmp.2 = shl i32 %tmp.1, 8 ; <i32> [#uses=1] ret i32 %tmp.2 }