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27 lines
725 B
LLVM
27 lines
725 B
LLVM
; RUN: llc < %s -march=arm -mcpu=cortex-a8 -regalloc=linearscan | FileCheck %s
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; vmov s0, r0 + vmov r0, s0 should have been optimized away.
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; rdar://9104514
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; Peephole leaves a dead vmovsr instruction behind, and depends on linear scan
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; to remove it.
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define void @t(float %x) nounwind ssp {
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entry:
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; CHECK: t:
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; CHECK-NOT: vmov
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; CHECK: bl
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%0 = bitcast float %x to i32
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%cmp = icmp ult i32 %0, 2139095039
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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tail call void @doSomething(float %x) nounwind
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br label %if.end
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if.end: ; preds = %if.then, %entry
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ret void
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}
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declare void @doSomething(float)
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