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-rw-r--r--test/CodeGen/PowerPC/cmpb-ppc32.ll50
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diff --git a/test/CodeGen/PowerPC/cmpb-ppc32.ll b/test/CodeGen/PowerPC/cmpb-ppc32.ll
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+; 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 }
+