Mercurial > hg > CbC > CbC_llvm
view test/CodeGen/Mips/selectiondag-optlevel.ll @ 146:3fc4d5c3e21e
set tail call flag for code segment in CGCAll
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Sun, 23 Dec 2018 19:23:36 +0900 |
parents | 1172e4bd9c6f |
children |
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; RUN: llc -march=mips -fast-isel=false -O0 < %s 2>&1 | FileCheck %s -check-prefix=O0 ; RUN: llc -march=mips -fast-isel=false -O2 < %s 2>&1 | FileCheck %s -check-prefix=O2 ; At -O0, DAGCombine won't try to merge these consecutive loads but it will at ; -O2. define void @foo() nounwind { entry: %0 = alloca [2 x i8], align 32 %1 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 0 store i8 1, i8* %1 %2 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 1 store i8 1, i8* %2 ret void } ; O0: addiu $[[REG:[0-9]+]], $zero, 1 ; O0-DAG: sb $[[REG]], 0($sp) ; O0-DAG: sb $[[REG]], 1($sp) ; O2: addiu $[[REG:[0-9]+]], $zero, 257 ; O2: sh $[[REG]], 0($sp)