29 lines
872 B
LLVM
29 lines
872 B
LLVM
; These tests should not contain a sign extend.
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; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep extsh
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; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- | not grep extsb
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define i32 @test1(i32 %mode.0.i.0) {
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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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}
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define signext i16 @test2(i16 signext %X, i16 signext %x) {
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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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%tmp4 = ashr i32 %tmp2, 1
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%tmp5 = trunc i32 %tmp4 to i16
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%tmp45 = sext i16 %tmp5 to i32
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%retval = trunc i32 %tmp45 to i16
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ret i16 %retval
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}
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define signext i16 @test3(i32 zeroext %X) {
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%tmp1 = lshr i32 %X, 16
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%tmp2 = trunc i32 %tmp1 to i16
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ret i16 %tmp2
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}
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