annotate test/CodeGen/X86/2003-08-03-CallArgLiveRanges.ll @ 121:803732b1fca8

LLVM 5.0
author kono
date Fri, 27 Oct 2017 17:07:41 +0900
parents 95c75e76d11b
children
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; REQUIRES: asserts
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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2 ; The old instruction selector used to load all arguments to a call up in
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3 ; registers, then start pushing them all onto the stack. This is bad news as
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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4 ; it makes a ton of annoying overlapping live ranges. This code should not
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5 ; cause spills!
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 ;
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803732b1fca8 LLVM 5.0
kono
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7 ; RUN: llc < %s -mtriple=i686-- -stats 2>&1 | FileCheck %s
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95c75e76d11b LLVM 3.4
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 ; CHECK-NOT: spilled
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95c75e76d11b LLVM 3.4
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11 target datalayout = "e-p:32:32"
95c75e76d11b LLVM 3.4
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 define i32 @test(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 ret i32 0
95c75e76d11b LLVM 3.4
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15 }
95c75e76d11b LLVM 3.4
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 define i32 @main() {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18 %X = call i32 @test( i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10 ) ; <i32> [#uses=1]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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19 ret i32 %X
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20 }
95c75e76d11b LLVM 3.4
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21