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Diffstat (limited to 'test/CodeGen/PowerPC/cmpb-ppc32.ll')
-rw-r--r-- | test/CodeGen/PowerPC/cmpb-ppc32.ll | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/cmpb-ppc32.ll b/test/CodeGen/PowerPC/cmpb-ppc32.ll new file mode 100644 index 0000000..639ed88 --- /dev/null +++ b/test/CodeGen/PowerPC/cmpb-ppc32.ll @@ -0,0 +1,50 @@ +; RUN: llc -mcpu=pwr7 < %s | FileCheck %s +target datalayout = "E-m:e-p:32:32-i64:64-n32" +target triple = "powerpc-unknown-linux-gnu" + +; Function Attrs: nounwind readnone +define zeroext i16 @test16(i16 zeroext %x, i16 zeroext %y) #0 { +entry: + %0 = xor i16 %y, %x + %1 = and i16 %0, 255 + %cmp = icmp eq i16 %1, 0 + %cmp20 = icmp ult i16 %0, 256 + %conv25 = select i1 %cmp, i32 255, i32 0 + %conv27 = select i1 %cmp20, i32 65280, i32 0 + %or = or i32 %conv25, %conv27 + %conv29 = trunc i32 %or to i16 + ret i16 %conv29 + +; CHECK-LABEL: @test16 +; CHECK: cmpb [[REG1:[0-9]+]], 4, 3 +; CHECK: rlwinm 3, [[REG1]], 0, 16, 31 +; CHECK: blr +} + +define i32 @test32(i32 %x, i32 %y) #0 { +entry: + %0 = xor i32 %y, %x + %1 = and i32 %0, 255 + %cmp = icmp eq i32 %1, 0 + %2 = and i32 %0, 65280 + %cmp28 = icmp eq i32 %2, 0 + %3 = and i32 %0, 16711680 + %cmp34 = icmp eq i32 %3, 0 + %cmp40 = icmp ult i32 %0, 16777216 + %conv44 = select i1 %cmp, i32 255, i32 0 + %conv45 = select i1 %cmp28, i32 65280, i32 0 + %conv47 = select i1 %cmp34, i32 16711680, i32 0 + %conv50 = select i1 %cmp40, i32 -16777216, i32 0 + %or = or i32 %conv45, %conv50 + %or49 = or i32 %or, %conv44 + %or52 = or i32 %or49, %conv47 + ret i32 %or52 + +; CHECK-LABEL: @test32 +; CHECK: cmpb 3, 4, 3 +; CHECK-NOT: rlwinm +; CHECK: blr +} + +attributes #0 = { nounwind readnone } + |