1 ; RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o - %s | FileCheck %s
3 ; This file contains tests for the AArch64 load/store optimizer.
5 %padding = type { i8*, i8*, i8*, i8* }
6 %s.word = type { i32, i32 }
7 %s.doubleword = type { i64, i32 }
8 %s.quadword = type { fp128, i32 }
9 %s.float = type { float, i32 }
10 %s.double = type { double, i32 }
11 %struct.word = type { %padding, %s.word }
12 %struct.doubleword = type { %padding, %s.doubleword }
13 %struct.quadword = type { %padding, %s.quadword }
14 %struct.float = type { %padding, %s.float }
15 %struct.double = type { %padding, %s.double }
17 ; Check the following transform:
25 ; with X being either w1, x1, s0, d0 or q0.
27 declare void @bar_word(%s.word*, i32)
29 define void @load-pre-indexed-word(%struct.word* %ptr) nounwind {
30 ; CHECK-LABEL: load-pre-indexed-word
31 ; CHECK: ldr w{{[0-9]+}}, [x{{[0-9]+}}, #32]!
33 %a = getelementptr inbounds %struct.word* %ptr, i64 0, i32 1, i32 0
34 %add = load i32* %a, align 4
37 %c = getelementptr inbounds %struct.word* %ptr, i64 0, i32 1
38 tail call void @bar_word(%s.word* %c, i32 %add)
42 declare void @bar_doubleword(%s.doubleword*, i64)
44 define void @load-pre-indexed-doubleword(%struct.doubleword* %ptr) nounwind {
45 ; CHECK-LABEL: load-pre-indexed-doubleword
46 ; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}, #32]!
48 %a = getelementptr inbounds %struct.doubleword* %ptr, i64 0, i32 1, i32 0
49 %add = load i64* %a, align 4
52 %c = getelementptr inbounds %struct.doubleword* %ptr, i64 0, i32 1
53 tail call void @bar_doubleword(%s.doubleword* %c, i64 %add)
57 declare void @bar_quadword(%s.quadword*, fp128)
59 define void @load-pre-indexed-quadword(%struct.quadword* %ptr) nounwind {
60 ; CHECK-LABEL: load-pre-indexed-quadword
61 ; CHECK: ldr q{{[0-9]+}}, [x{{[0-9]+}}, #32]!
63 %a = getelementptr inbounds %struct.quadword* %ptr, i64 0, i32 1, i32 0
64 %add = load fp128* %a, align 4
67 %c = getelementptr inbounds %struct.quadword* %ptr, i64 0, i32 1
68 tail call void @bar_quadword(%s.quadword* %c, fp128 %add)
72 declare void @bar_float(%s.float*, float)
74 define void @load-pre-indexed-float(%struct.float* %ptr) nounwind {
75 ; CHECK-LABEL: load-pre-indexed-float
76 ; CHECK: ldr s{{[0-9]+}}, [x{{[0-9]+}}, #32]!
78 %a = getelementptr inbounds %struct.float* %ptr, i64 0, i32 1, i32 0
79 %add = load float* %a, align 4
82 %c = getelementptr inbounds %struct.float* %ptr, i64 0, i32 1
83 tail call void @bar_float(%s.float* %c, float %add)
87 declare void @bar_double(%s.double*, double)
89 define void @load-pre-indexed-double(%struct.double* %ptr) nounwind {
90 ; CHECK-LABEL: load-pre-indexed-double
91 ; CHECK: ldr d{{[0-9]+}}, [x{{[0-9]+}}, #32]!
93 %a = getelementptr inbounds %struct.double* %ptr, i64 0, i32 1, i32 0
94 %add = load double* %a, align 4
97 %c = getelementptr inbounds %struct.double* %ptr, i64 0, i32 1
98 tail call void @bar_double(%s.double* %c, double %add)