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While adding instructions(possible roots) to be redone, make sure they are from the same basic block. llvm-svn: 257112
21 lines
547 B
LLVM
21 lines
547 B
LLVM
; RUN: opt < %s -reassociate -S | FileCheck %s
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; CHECK-LABEL: main
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; This test is to make sure while processing a block, uses of instructions
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; from a different basic block don't get added to be re-optimized
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define void @main() {
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entry:
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%0 = fadd fast float undef, undef
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br i1 undef, label %bb1, label %bb2
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bb1:
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%1 = fmul fast float undef, -2.000000e+00
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%2 = fmul fast float %1, 2.000000e+00
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%3 = fadd fast float %2, 2.000000e+00
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%4 = fadd fast float %3, %0
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%mul351 = fmul fast float %4, 5.000000e-01
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ret void
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bb2:
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ret void
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}
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