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comparison test/CodeGen/ARM/ldaex-stlex.ll @ 77:54457678186b

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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
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34:e874dbf0ad9d 77:54457678186b
1 ; RUN: llc < %s -mtriple=armv8-apple-darwin | FileCheck %s
2 ; RUN: llc < %s -mtriple=thumbv8-apple-darwin | FileCheck %s
3
4 %0 = type { i32, i32 }
5
6 ; CHECK-LABEL: f0:
7 ; CHECK: ldaexd
8 define i64 @f0(i8* %p) nounwind readonly {
9 entry:
10 %ldaexd = tail call %0 @llvm.arm.ldaexd(i8* %p)
11 %0 = extractvalue %0 %ldaexd, 1
12 %1 = extractvalue %0 %ldaexd, 0
13 %2 = zext i32 %0 to i64
14 %3 = zext i32 %1 to i64
15 %shl = shl nuw i64 %2, 32
16 %4 = or i64 %shl, %3
17 ret i64 %4
18 }
19
20 ; CHECK-LABEL: f1:
21 ; CHECK: stlexd
22 define i32 @f1(i8* %ptr, i64 %val) nounwind {
23 entry:
24 %tmp4 = trunc i64 %val to i32
25 %tmp6 = lshr i64 %val, 32
26 %tmp7 = trunc i64 %tmp6 to i32
27 %stlexd = tail call i32 @llvm.arm.stlexd(i32 %tmp4, i32 %tmp7, i8* %ptr)
28 ret i32 %stlexd
29 }
30
31 declare %0 @llvm.arm.ldaexd(i8*) nounwind readonly
32 declare i32 @llvm.arm.stlexd(i32, i32, i8*) nounwind
33
34 ; CHECK-LABEL: test_load_i8:
35 ; CHECK: ldaexb r0, [r0]
36 ; CHECK-NOT: uxtb
37 ; CHECK-NOT: and
38 define zeroext i8 @test_load_i8(i8* %addr) {
39 %val = call i32 @llvm.arm.ldaex.p0i8(i8* %addr)
40 %val8 = trunc i32 %val to i8
41 ret i8 %val8
42 }
43
44 ; CHECK-LABEL: test_load_i16:
45 ; CHECK: ldaexh r0, [r0]
46 ; CHECK-NOT: uxth
47 ; CHECK-NOT: and
48 define zeroext i16 @test_load_i16(i16* %addr) {
49 %val = call i32 @llvm.arm.ldaex.p0i16(i16* %addr)
50 %val16 = trunc i32 %val to i16
51 ret i16 %val16
52 }
53
54 ; CHECK-LABEL: test_load_i32:
55 ; CHECK: ldaex r0, [r0]
56 define i32 @test_load_i32(i32* %addr) {
57 %val = call i32 @llvm.arm.ldaex.p0i32(i32* %addr)
58 ret i32 %val
59 }
60
61 declare i32 @llvm.arm.ldaex.p0i8(i8*) nounwind readonly
62 declare i32 @llvm.arm.ldaex.p0i16(i16*) nounwind readonly
63 declare i32 @llvm.arm.ldaex.p0i32(i32*) nounwind readonly
64
65 ; CHECK-LABEL: test_store_i8:
66 ; CHECK-NOT: uxtb
67 ; CHECK: stlexb r0, r1, [r2]
68 define i32 @test_store_i8(i32, i8 %val, i8* %addr) {
69 %extval = zext i8 %val to i32
70 %res = call i32 @llvm.arm.stlex.p0i8(i32 %extval, i8* %addr)
71 ret i32 %res
72 }
73
74 ; CHECK-LABEL: test_store_i16:
75 ; CHECK-NOT: uxth
76 ; CHECK: stlexh r0, r1, [r2]
77 define i32 @test_store_i16(i32, i16 %val, i16* %addr) {
78 %extval = zext i16 %val to i32
79 %res = call i32 @llvm.arm.stlex.p0i16(i32 %extval, i16* %addr)
80 ret i32 %res
81 }
82
83 ; CHECK-LABEL: test_store_i32:
84 ; CHECK: stlex r0, r1, [r2]
85 define i32 @test_store_i32(i32, i32 %val, i32* %addr) {
86 %res = call i32 @llvm.arm.stlex.p0i32(i32 %val, i32* %addr)
87 ret i32 %res
88 }
89
90 declare i32 @llvm.arm.stlex.p0i8(i32, i8*) nounwind
91 declare i32 @llvm.arm.stlex.p0i16(i32, i16*) nounwind
92 declare i32 @llvm.arm.stlex.p0i32(i32, i32*) nounwind