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d2b344c685
when run on an Intel Atom processor. The failures have arisen due to changes elsewhere in the trunk over the past 8 weeks or so. These failures were not detected by the Atom buildbot because the CPU on the Atom buildbot was not being detected as an Atom CPU. The fix for this problem is in Host.cpp and X86Subtarget.cpp, but shall remain commented out until the current set of Atom test failures are fixed. Patch by Andy Zhang and Tyler Nowicki! llvm-svn: 160451
52 lines
1.7 KiB
LLVM
52 lines
1.7 KiB
LLVM
; RUN: llc -march=x86 -mcpu=generic -mattr=+sse42 < %s | FileCheck %s
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; RUN: llc -march=x86 -mcpu=atom -mattr=+sse42 < %s | FileCheck -check-prefix=ATOM %s
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; CHECK: paddd
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; CHECK: movl
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; CHECK: movlpd
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; Scheduler causes produce a different instruction order
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; ATOM: movl
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; ATOM: paddd
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; ATOM: movlpd
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; bitcast a v4i16 to v2i32
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define void @convert(<2 x i32>* %dst, <4 x i16>* %src) nounwind {
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entry:
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%dst.addr = alloca <2 x i32>* ; <<2 x i32>**> [#uses=2]
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%src.addr = alloca <4 x i16>* ; <<4 x i16>**> [#uses=2]
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%i = alloca i32, align 4 ; <i32*> [#uses=6]
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store <2 x i32>* %dst, <2 x i32>** %dst.addr
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store <4 x i16>* %src, <4 x i16>** %src.addr
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store i32 0, i32* %i
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br label %forcond
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forcond: ; preds = %forinc, %entry
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%tmp = load i32* %i ; <i32> [#uses=1]
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%cmp = icmp slt i32 %tmp, 4 ; <i1> [#uses=1]
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br i1 %cmp, label %forbody, label %afterfor
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forbody: ; preds = %forcond
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%tmp1 = load i32* %i ; <i32> [#uses=1]
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%tmp2 = load <2 x i32>** %dst.addr ; <<2 x i32>*> [#uses=1]
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%arrayidx = getelementptr <2 x i32>* %tmp2, i32 %tmp1 ; <<2 x i32>*> [#uses=1]
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%tmp3 = load i32* %i ; <i32> [#uses=1]
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%tmp4 = load <4 x i16>** %src.addr ; <<4 x i16>*> [#uses=1]
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%arrayidx5 = getelementptr <4 x i16>* %tmp4, i32 %tmp3 ; <<4 x i16>*> [#uses=1]
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%tmp6 = load <4 x i16>* %arrayidx5 ; <<4 x i16>> [#uses=1]
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%add = add <4 x i16> %tmp6, < i16 1, i16 1, i16 1, i16 1 > ; <<4 x i16>> [#uses=1]
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%conv = bitcast <4 x i16> %add to <2 x i32> ; <<2 x i32>> [#uses=1]
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store <2 x i32> %conv, <2 x i32>* %arrayidx
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br label %forinc
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forinc: ; preds = %forbody
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%tmp7 = load i32* %i ; <i32> [#uses=1]
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%inc = add i32 %tmp7, 1 ; <i32> [#uses=1]
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store i32 %inc, i32* %i
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br label %forcond
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afterfor: ; preds = %forcond
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ret void
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}
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