Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/shl-anyext.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | 803732b1fca8 |
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; RUN: llc -march=x86-64 < %s | FileCheck %s ; Codegen should be able to use a 32-bit shift instead of a 64-bit shift. ; CHECK: shll $16 define fastcc void @test(i32 %level, i64 %a, i64 %b, i64 %c, i64 %d, i32* %p) nounwind { if.end523: ; preds = %if.end453 %conv7981749 = zext i32 %level to i64 ; <i64> [#uses=1] %and799 = shl i64 %conv7981749, 16 ; <i64> [#uses=1] %shl800 = and i64 %and799, 16711680 ; <i64> [#uses=1] %or801 = or i64 %shl800, %a ; <i64> [#uses=1] %or806 = or i64 %or801, %b ; <i64> [#uses=1] %or811 = or i64 %or806, %c ; <i64> [#uses=1] %or819 = or i64 %or811, %d ; <i64> [#uses=1] %conv820 = trunc i64 %or819 to i32 ; <i32> [#uses=1] store i32 %conv820, i32* %p ret void } ; CHECK-LABEL: foo: declare void @bar(i64) define fastcc void @foo(i32 %t) { bb: %tmp = add i32 %t, -1 ; <i32> [#uses=1] br label %bb1 bb1: ; preds = %bb %tmp2 = zext i32 %tmp to i64 ; <i64> [#uses=2] %tmp3 = add i64 %tmp2, 1 ; <i64> [#uses=1] %tmp4 = xor i64 %tmp2, 536870911 ; <i64> [#uses=1] %tmp5 = and i64 %tmp3, %tmp4 ; <i64> [#uses=1] %tmp6 = shl i64 %tmp5, 3 ; <i64> [#uses=1] %tmp7 = sub i64 64, %tmp6 ; <i64> [#uses=1] %tmp8 = and i64 %tmp7, 4294967288 ; <i64> [#uses=1] %tmp9 = lshr i64 -1, %tmp8 ; <i64> [#uses=1] call void @bar(i64 %tmp9) ret void }