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b2adcad612
instructions to reoptimize. Exploit this to more systematically eliminate dead instructions (this isn't very useful in practice but is convenient for analysing some testcase I am working on). No need for WeakVH any more: use an AssertingVH instead. llvm-svn: 158073
19 lines
366 B
LLVM
19 lines
366 B
LLVM
; RUN: opt -reassociate -S < %s | FileCheck %s
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target triple = "armv7-apple-ios"
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declare void @use(float)
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; CHECK: test
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define void @test(float %x, float %y) {
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entry:
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; CHECK: fmul float %x, %y
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; CHECK: fmul float %x, %y
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%0 = fmul float %x, %y
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%1 = fmul float %y, %x
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%2 = fsub float %0, %1
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call void @use(float %0)
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call void @use(float %2)
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ret void
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}
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