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llvm-project/llvm/test/Transforms/Reassociate/add_across_block_crash.ll

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Instructions to be redone only if from the same BB While adding instructions(possible roots) to be redone, make sure they are from the same basic block. llvm-svn: 257112
2016-01-08 07:22:55 +08:00
; RUN: opt < %s -reassociate -S | FileCheck %s
[Reassociate] add check lines; NFC llvm-svn: 317805
2017-11-10 00:25:35 +08:00
Instructions to be redone only if from the same BB While adding instructions(possible roots) to be redone, make sure they are from the same basic block. llvm-svn: 257112
2016-01-08 07:22:55 +08:00
; This test is to make sure while processing a block, uses of instructions
; from a different basic block don't get added to be re-optimized
[Reassociate] add check lines; NFC llvm-svn: 317805
2017-11-10 00:25:35 +08:00
Instructions to be redone only if from the same BB While adding instructions(possible roots) to be redone, make sure they are from the same basic block. llvm-svn: 257112
2016-01-08 07:22:55 +08:00
define void @main() {
[Reassociate] add check lines; NFC llvm-svn: 317805
2017-11-10 00:25:35 +08:00
; CHECK-LABEL: @main(
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 undef, label %bb1, label %bb2
; CHECK: bb1:
; CHECK-NEXT: ret void
; CHECK: bb2:
; CHECK-NEXT: ret void
;
Instructions to be redone only if from the same BB While adding instructions(possible roots) to be redone, make sure they are from the same basic block. llvm-svn: 257112
2016-01-08 07:22:55 +08:00
entry:
%0 = fadd fast float undef, undef
br i1 undef, label %bb1, label %bb2
bb1:
%1 = fmul fast float undef, -2.000000e+00
%2 = fmul fast float %1, 2.000000e+00
%3 = fadd fast float %2, 2.000000e+00
%4 = fadd fast float %3, %0
%mul351 = fmul fast float %4, 5.000000e-01
ret void
bb2:
ret void
}
[Reassociate] add check lines; NFC llvm-svn: 317805
2017-11-10 00:25:35 +08:00