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annotate test/CodeGen/AArch64/bitfield-insert-0.ll @ 117:facf19d07cd9

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check EHStack on EmitCall (CbC goto)
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 24 Aug 2016 20:10:41 +0900
parents afa8332a0e37
children
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54457678186b LLVM 3.6
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: llc -mtriple=aarch64-linux-gnu -filetype=obj -o - %s | llvm-objdump -disassemble - | FileCheck %s
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95c75e76d11b LLVM 3.4
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95c75e76d11b LLVM 3.4
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3 ; The encoding of lsb -> immr in the CGed bitfield instructions was wrong at one
95c75e76d11b LLVM 3.4
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4 ; point, in the edge case where lsb = 0. Just make sure.
95c75e76d11b LLVM 3.4
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 define void @test_bfi0(i32* %existing, i32* %new) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 ; CHECK: bfxil {{w[0-9]+}}, {{w[0-9]+}}, #0, #18
95c75e76d11b LLVM 3.4
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afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 %oldval = load volatile i32, i32* %existing
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10 %oldval_keep = and i32 %oldval, 4294705152 ; 0xfffc_0000
95c75e76d11b LLVM 3.4
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afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 %newval = load volatile i32, i32* %new
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13 %newval_masked = and i32 %newval, 262143 ; = 0x0003_ffff
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14
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15 %combined = or i32 %newval_masked, %oldval_keep
95c75e76d11b LLVM 3.4
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16 store volatile i32 %combined, i32* %existing
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17
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18 ret void
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19 }