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16 lines
485 B
LLVM
16 lines
485 B
LLVM
; RUN: opt < %s -nary-reassociate -S | FileCheck %s
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; RUN: opt < %s -passes='nary-reassociate' -S | FileCheck %s
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define i32 @foo(i32 %tmp4) {
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; CHECK-LABEL: @foo(
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entry:
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%tmp5 = add i32 %tmp4, 8
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%tmp13 = add i32 %tmp4, -128 ; deleted
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%tmp14 = add i32 %tmp13, 8 ; => %tmp5 + -128
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%tmp21 = add i32 119, %tmp4
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; do not rewrite %tmp23 against %tmp13 because %tmp13 is already deleted
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%tmp23 = add i32 %tmp21, -128
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; CHECK: %tmp23 = add i32 %tmp21, -128
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ret i32 %tmp23
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}
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