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comparison test/CodeGen/PowerPC/ppc64-smallarg.ll @ 77:54457678186b LLVM3.6

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LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
parents
children afa8332a0e37
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34:e874dbf0ad9d 77:54457678186b
1 ; Verify that small structures and float arguments are passed in the
2 ; least significant part of a stack slot doubleword.
3
4 ; RUN: llc < %s | FileCheck %s
5
6 target datalayout = "E-m:e-i64:64-n32:64"
7 target triple = "powerpc64-unknown-linux-gnu"
8
9 %struct.large_arg = type { [8 x i64] }
10 %struct.small_arg = type { i16, i8 }
11
12 @gl = common global %struct.large_arg zeroinitializer, align 8
13 @gs = common global %struct.small_arg zeroinitializer, align 2
14 @gf = common global float 0.000000e+00, align 4
15
16 define void @callee1(%struct.small_arg* noalias nocapture sret %agg.result, %struct.large_arg* byval nocapture readnone %pad, %struct.small_arg* byval nocapture readonly %x) {
17 entry:
18 %0 = bitcast %struct.small_arg* %x to i32*
19 %1 = bitcast %struct.small_arg* %agg.result to i32*
20 %2 = load i32* %0, align 2
21 store i32 %2, i32* %1, align 2
22 ret void
23 }
24 ; CHECK: @callee1
25 ; CHECK: lwz {{[0-9]+}}, 124(1)
26 ; CHECK: blr
27
28 define void @caller1() {
29 entry:
30 %tmp = alloca %struct.small_arg, align 2
31 call void @test1(%struct.small_arg* sret %tmp, %struct.large_arg* byval @gl, %struct.small_arg* byval @gs)
32 ret void
33 }
34 ; CHECK: @caller1
35 ; CHECK: stw {{[0-9]+}}, 124(1)
36 ; CHECK: bl test1
37
38 declare void @test1(%struct.small_arg* sret, %struct.large_arg* byval, %struct.small_arg* byval)
39
40 define float @callee2(float %pad1, float %pad2, float %pad3, float %pad4, float %pad5, float %pad6, float %pad7, float %pad8, float %pad9, float %pad10, float %pad11, float %pad12, float %pad13, float %x) {
41 entry:
42 ret float %x
43 }
44 ; CHECK: @callee2
45 ; CHECK: lfs {{[0-9]+}}, 156(1)
46 ; CHECK: blr
47
48 define void @caller2() {
49 entry:
50 %0 = load float* @gf, align 4
51 %call = tail call float @test2(float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float 0.000000e+00, float %0)
52 ret void
53 }
54 ; CHECK: @caller2
55 ; CHECK: stfs {{[0-9]+}}, 156(1)
56 ; CHECK: bl test2
57
58 declare float @test2(float, float, float, float, float, float, float, float, float, float, float, float, float, float)
59