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comparison test/CodeGen/Mips/selectiondag-optlevel.ll @ 120:1172e4bd9c6f

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update 4.0.0
author mir3636
date Fri, 25 Nov 2016 19:14:25 +0900
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101:34baf5011add 120:1172e4bd9c6f
1 ; RUN: llc -march=mips -fast-isel=false -O0 < %s 2>&1 | FileCheck %s -check-prefix=O0
2 ; RUN: llc -march=mips -fast-isel=false -O2 < %s 2>&1 | FileCheck %s -check-prefix=O2
3
4 ; At -O0, DAGCombine won't try to merge these consecutive loads but it will at
5 ; -O2.
6
7 define void @foo() nounwind {
8 entry:
9 %0 = alloca [2 x i8], align 32
10 %1 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 0
11 store i8 1, i8* %1
12 %2 = getelementptr inbounds [2 x i8], [2 x i8]* %0, i32 0, i32 1
13 store i8 1, i8* %2
14 ret void
15 }
16
17 ; O0: addiu $[[REG:[0-9]+]], $zero, 1
18 ; O0-DAG: sb $[[REG]], 0($sp)
19 ; O0-DAG: sb $[[REG]], 1($sp)
20
21 ; O2: addiu $[[REG:[0-9]+]], $zero, 257
22 ; O2: sh $[[REG]], 0($sp)