2006-05-06 20:15:50 +02:00
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; These tests should not contain a sign extend.
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2009-09-09 02:09:15 +02:00
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; RUN: llc < %s -march=ppc32 | not grep extsh
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; RUN: llc < %s -march=ppc32 | not grep extsb
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2006-02-17 22:22:08 +01:00
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2007-01-26 09:25:06 +01:00
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define i32 @test1(i32 %mode.0.i.0) {
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2007-01-05 19:38:33 +01:00
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%tmp.79 = trunc i32 %mode.0.i.0 to i16
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%tmp.80 = sext i16 %tmp.79 to i32
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%tmp.81 = and i32 %tmp.80, 24
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ret i32 %tmp.81
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2006-02-17 22:22:08 +01:00
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}
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2006-05-06 20:15:50 +02:00
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2011-06-17 05:14:27 +02:00
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define signext i16 @test2(i16 signext %X, i16 signext %x) {
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2007-01-05 19:38:33 +01:00
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%tmp = sext i16 %X to i32
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%tmp1 = sext i16 %x to i32
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%tmp2 = add i32 %tmp, %tmp1
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2007-02-02 03:16:23 +01:00
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%tmp4 = ashr i32 %tmp2, 1
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2007-01-30 17:16:01 +01:00
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%tmp5 = trunc i32 %tmp4 to i16
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%tmp45 = sext i16 %tmp5 to i32
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2007-01-05 19:38:33 +01:00
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%retval = trunc i32 %tmp45 to i16
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ret i16 %retval
|
2006-05-06 20:15:50 +02:00
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}
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2011-06-17 05:14:27 +02:00
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define signext i16 @test3(i32 zeroext %X) {
|
2007-02-02 03:16:23 +01:00
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%tmp1 = lshr i32 %X, 16
|
2007-01-30 17:16:01 +01:00
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%tmp2 = trunc i32 %tmp1 to i16
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|
ret i16 %tmp2
|
2006-05-08 22:58:58 +02:00
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}
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