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llvm-project/llvm/test/CodeGen/X86/avx512-inc-dec.ll

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AVX-512: dec/inc instructions are slow on KNL After Alexey Volkov, I'm adding the same property for KNL, that prefers ADD/SUB instead of INC/DEC. Added a test. llvm-svn: 212178
2014-07-02 22:11:05 +08:00
; RUN: llc < %s -march=x86-64 -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
;CHECK-LABEL: test
;CHECK-NOT: dec
fix CHECK_NOT -> CHECK-NOT llvm-svn: 264706
2016-03-29 15:53:07 +08:00
;CHECK-NOT: enc
AVX-512: dec/inc instructions are slow on KNL After Alexey Volkov, I'm adding the same property for KNL, that prefers ADD/SUB instead of INC/DEC. Added a test. llvm-svn: 212178
2014-07-02 22:11:05 +08:00
;CHECK: ret
define i32 @test(i32 %a, i32 %b) {
%a1 = add i32 %a, -1
%b1 = add i32 %b, 1
%res = mul i32 %a1, %b1
ret i32 %res
}