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0780b6db5d
After Alexey Volkov, I'm adding the same property for KNL, that prefers ADD/SUB instead of INC/DEC. Added a test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212178 91177308-0d34-0410-b5e6-96231b3b80d8
14 lines
268 B
LLVM
14 lines
268 B
LLVM
; RUN: llc < %s -march=x86-64 -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
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;CHECK-LABEL: test
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;CHECK-NOT: dec
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;CHECK_NOT: enc
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;CHECK: ret
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define i32 @test(i32 %a, i32 %b) {
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%a1 = add i32 %a, -1
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%b1 = add i32 %b, 1
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%res = mul i32 %a1, %b1
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ret i32 %res
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}
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