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comparison test/CodeGen/X86/isel-optnone.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 95c75e76d11b
children 803732b1fca8
comparison
equal deleted inserted replaced
84:f3e34b893a5f 95:afa8332a0e37
1 ; RUN: llc -O2 -march=x86 < %s | FileCheck %s 1 ; RUN: llc -O2 -march=x86 < %s | FileCheck %s
2 2
3 define i32* @fooOptnone(i32* %p, i32* %q, i32** %z) #0 { 3 define i32* @fooOptnone(i32* %p, i32* %q, i32** %z) #0 {
4 entry: 4 entry:
5 %r = load i32* %p 5 %r = load i32, i32* %p
6 %s = load i32* %q 6 %s = load i32, i32* %q
7 %y = load i32** %z 7 %y = load i32*, i32** %z
8 8
9 %t0 = add i32 %r, %s 9 %t0 = add i32 %r, %s
10 %t1 = add i32 %t0, 1 10 %t1 = add i32 %t0, 1
11 %t2 = getelementptr i32* %y, i32 1 11 %t2 = getelementptr i32, i32* %y, i32 1
12 %t3 = getelementptr i32* %t2, i32 %t1 12 %t3 = getelementptr i32, i32* %t2, i32 %t1
13 13
14 ret i32* %t3 14 ret i32* %t3
15 15
16 ; 'optnone' should use fast-isel which will not produce 'lea'. 16 ; 'optnone' should use fast-isel which will not produce 'lea'.
17 ; CHECK-LABEL: fooOptnone: 17 ; CHECK-LABEL: fooOptnone:
19 ; CHECK: ret 19 ; CHECK: ret
20 } 20 }
21 21
22 define i32* @fooNormal(i32* %p, i32* %q, i32** %z) #1 { 22 define i32* @fooNormal(i32* %p, i32* %q, i32** %z) #1 {
23 entry: 23 entry:
24 %r = load i32* %p 24 %r = load i32, i32* %p
25 %s = load i32* %q 25 %s = load i32, i32* %q
26 %y = load i32** %z 26 %y = load i32*, i32** %z
27 27
28 %t0 = add i32 %r, %s 28 %t0 = add i32 %r, %s
29 %t1 = add i32 %t0, 1 29 %t1 = add i32 %t0, 1
30 %t2 = getelementptr i32* %y, i32 1 30 %t2 = getelementptr i32, i32* %y, i32 1
31 %t3 = getelementptr i32* %t2, i32 %t1 31 %t3 = getelementptr i32, i32* %t2, i32 %t1
32 32
33 ret i32* %t3 33 ret i32* %t3
34 34
35 ; Normal ISel will produce 'lea'. 35 ; Normal ISel will produce 'lea'.
36 ; CHECK-LABEL: fooNormal: 36 ; CHECK-LABEL: fooNormal: