llvm-mirror/LeonReplaceSDIVPassUT.ll at ab64e55c578dcdab2537cd2e705347c1e9bbcd2f - llvm-mirror - Git.je (Gitea)

RPCS3/llvm-mirror

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Chris Dewhurst 17365ee380 This pass, fixing an erratum in some LEON 2 processors ensures that the SDIV instruction is not issued, but replaced by SDIVcc instead, which does not exhibit the error. Unit test included.

Differential Review: https://reviews.llvm.org/D24660

llvm-svn: 283727

2016-10-10 08:53:06 +00:00

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 ; RUN: llc %s -O0 -march=sparc -o - | FileCheck %s -check-prefix=NO_REPLACE_SDIV
 ; RUN: llc %s -O0 -march=sparc -mcpu=at697e -o - | FileCheck %s -check-prefix=REPLACE_SDIV
 ; REPLACE_SDIV: sdivcc %o0, %o1, %o0
 ; NO_REPLACE_SDIV: sdiv %o0, %o1, %o0
 define i32 @lbr59(i32 %a, i32 %b)
 {
   %r = sdiv i32 %a, %b
   ret i32 %r
 }