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testcases accordingly. Some are currently xfailed and will be filed as bugs to be fixed or understood. Performance results: roughly neutral on SPEC some micro benchmarks in the llvm suite are up between 100 and 150%, only a pair of regressions that are due to be investigated john-the-ripper saw: 10% improvement in traditional DES 8% improvement in BSDI DES 59% improvement in FreeBSD MD5 67% improvement in OpenBSD Blowfish 14% improvement in LM DES Small compile time impact. llvm-svn: 127208
53 lines
2.0 KiB
LLVM
53 lines
2.0 KiB
LLVM
; RUN: llc < %s -march=x86 -relocation-model=static -disable-fp-elim -post-RA-scheduler=false -asm-verbose=0 | FileCheck %s
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; PR2536
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; CHECK: andl $65534, %
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; CHECK-NEXT: movl %
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; CHECK-NEXT: movzwl
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@g_5 = external global i16 ; <i16*> [#uses=2]
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@g_107 = external global i16 ; <i16*> [#uses=1]
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@g_229 = external global i32 ; <i32*> [#uses=1]
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@g_227 = external global i16 ; <i16*> [#uses=1]
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define i32 @func_54(i32 %p_55, i16 zeroext %p_56) nounwind {
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entry:
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load i16* @g_5, align 2 ; <i16>:0 [#uses=1]
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zext i16 %0 to i32 ; <i32>:1 [#uses=1]
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%.mask = and i32 %1, 65534 ; <i32> [#uses=1]
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icmp eq i32 %.mask, 0 ; <i1>:2 [#uses=1]
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load i32* @g_229, align 4 ; <i32>:3 [#uses=1]
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load i16* @g_227, align 2 ; <i16>:4 [#uses=1]
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icmp eq i16 %4, 0 ; <i1>:5 [#uses=1]
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load i16* @g_5, align 2 ; <i16>:6 [#uses=1]
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br label %bb
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bb: ; preds = %bb7.preheader, %entry
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%indvar4 = phi i32 [ 0, %entry ], [ %indvar.next5, %bb7.preheader ] ; <i32> [#uses=1]
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%p_56_addr.1.reg2mem.0 = phi i16 [ %p_56, %entry ], [ %p_56_addr.0, %bb7.preheader ] ; <i16> [#uses=2]
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br i1 %2, label %bb7.preheader, label %bb5
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bb5: ; preds = %bb
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store i16 %6, i16* @g_107, align 2
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br label %bb7.preheader
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bb7.preheader: ; preds = %bb5, %bb
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icmp eq i16 %p_56_addr.1.reg2mem.0, 0 ; <i1>:7 [#uses=1]
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%.0 = select i1 %7, i32 1, i32 %3 ; <i32> [#uses=1]
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urem i32 1, %.0 ; <i32>:8 [#uses=1]
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icmp eq i32 %8, 0 ; <i1>:9 [#uses=1]
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%.not = xor i1 %9, true ; <i1> [#uses=1]
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%.not1 = xor i1 %5, true ; <i1> [#uses=1]
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%brmerge = or i1 %.not, %.not1 ; <i1> [#uses=1]
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%iftmp.6.0 = select i1 %brmerge, i32 3, i32 0 ; <i32> [#uses=1]
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mul i32 %iftmp.6.0, %3 ; <i32>:10 [#uses=1]
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icmp eq i32 %10, 0 ; <i1>:11 [#uses=1]
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%p_56_addr.0 = select i1 %11, i16 %p_56_addr.1.reg2mem.0, i16 1 ; <i16> [#uses=1]
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%indvar.next5 = add i32 %indvar4, 1 ; <i32> [#uses=2]
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%exitcond6 = icmp eq i32 %indvar.next5, 17 ; <i1> [#uses=1]
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br i1 %exitcond6, label %bb25, label %bb
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bb25: ; preds = %bb7.preheader
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ret i32 1
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}
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