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e53c76127a
If you compute the MMO offset using unsigned arithmetic, you end up with a large positive offset instead of a small negative one. In theory, this could cause bad instruction-scheduling decisions later. I noticed this by inspection from the debug output, and using that for the regression test is the best I can do right now. llvm-svn: 246805
18 lines
503 B
LLVM
18 lines
503 B
LLVM
; RUN: llc -debug-only=isel <%s >%t 2>&1 && FileCheck <%t %s
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; REQUIRES: asserts
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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define <16 x i8> @test_l_v16i8(<16 x i8>* %p) #0 {
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entry:
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%r = load <16 x i8>, <16 x i8>* %p, align 1
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ret <16 x i8> %r
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; CHECK-NOT: v4i32,ch = llvm.ppc.altivec.lvx{{.*}}<LD31[%p+4294967281](align=1)>
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; CHECK: v4i32,ch = llvm.ppc.altivec.lvx{{.*}}<LD31[%p+-15](align=1)>
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}
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attributes #0 = { nounwind "target-cpu"="pwr7" }
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