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Viewing changes to test/CodeGen/PowerPC/shl_sext.ll

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2015-07-15 17:51:08 UTC
  • Revision ID: package-import@ubuntu.com-20150715175108-l8mynwovkx4zx697
Tags: upstream-3.7~+rc2
Import upstream version 3.7~+rc2

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test/CodeGen/PowerPC/shl_sext.ll
 
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; This test should not contain a sign extend
 
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; RUN: llc < %s -march=ppc32 | not grep extsb 
 
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define i32 @test(i32 %mode.0.i.0) {
 
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        %tmp.79 = trunc i32 %mode.0.i.0 to i8           ; <i8> [#uses=1]
 
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        %tmp.80 = sext i8 %tmp.79 to i32                ; <i32> [#uses=1]
 
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        %tmp.81 = shl i32 %tmp.80, 24           ; <i32> [#uses=1]
 
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        ret i32 %tmp.81
 
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}
 
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define i32 @test2(i32 %mode.0.i.0) {
 
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        %tmp.79 = trunc i32 %mode.0.i.0 to i8           ; <i8> [#uses=1]
 
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        %tmp.80 = sext i8 %tmp.79 to i32                ; <i32> [#uses=1]
 
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        %tmp.81 = shl i32 %tmp.80, 16           ; <i32> [#uses=1]
 
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        %tmp.82 = and i32 %tmp.81, 16711680             ; <i32> [#uses=1]
 
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        ret i32 %tmp.82
 
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}
 
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