1 ; RUN: llc < %s -mtriple=armv7-apple-ios6.0 | FileCheck %s
2 ; RUN: llc < %s -mtriple=thumbv7-apple-ios6.0 | FileCheck %s
3 ; RUN: llc < %s -mtriple=armv7-unknown-nacl-gnueabi | FileCheck %s -check-prefix=NACL
4 ; RUN: llc < %s -mtriple=armv5-none-linux-gnueabi | FileCheck %s -check-prefix=NOMOVT
9 %struct.SmallStruct = type { i32, [8 x i32], [37 x i8] }
10 %struct.LargeStruct = type { i32, [1001 x i8], [300 x i32] }
12 define i32 @f() nounwind ssp {
18 %st = alloca %struct.SmallStruct, align 4
19 %call = call i32 @e1(%struct.SmallStruct* byval %st)
23 ; Generate a loop for large struct byval
24 define i32 @g() nounwind ssp {
32 ; Ensure that use movw instead of constpool for the loop trip count. But don't
33 ; match the __stack_chk_guard movw
34 ; NACL: movw r{{[1-9]}}, #
39 %st = alloca %struct.LargeStruct, align 4
40 %call = call i32 @e2(%struct.LargeStruct* byval %st)
44 ; Generate a loop using NEON instructions
45 define i32 @h() nounwind ssp {
52 ; NACL: movw r{{[1-9]}}, #
57 %st = alloca %struct.LargeStruct, align 16
58 %call = call i32 @e3(%struct.LargeStruct* byval align 16 %st)
62 declare i32 @e1(%struct.SmallStruct* nocapture byval %in) nounwind
63 declare i32 @e2(%struct.LargeStruct* nocapture byval %in) nounwind
64 declare i32 @e3(%struct.LargeStruct* nocapture byval align 16 %in) nounwind
67 ; We can't do tail call since address of s is passed to the callee and part of
68 ; s is in caller's local frame.
69 define void @f3(%struct.SmallStruct* nocapture byval %s) nounwind optsize {
71 ; CHECK: bl _consumestruct
73 %0 = bitcast %struct.SmallStruct* %s to i8*
74 tail call void @consumestruct(i8* %0, i32 80) optsize
78 define void @f4(%struct.SmallStruct* nocapture byval %s) nounwind optsize {
80 ; CHECK: bl _consumestruct
82 %addr = getelementptr inbounds %struct.SmallStruct, %struct.SmallStruct* %s, i32 0, i32 0
83 %0 = bitcast i32* %addr to i8*
84 tail call void @consumestruct(i8* %0, i32 80) optsize
88 ; We can do tail call here since s is in the incoming argument area.
89 define void @f5(i32 %a, i32 %b, i32 %c, i32 %d, %struct.SmallStruct* nocapture byval %s) nounwind optsize {
91 ; CHECK: b{{(\.w)?}} _consumestruct
93 %0 = bitcast %struct.SmallStruct* %s to i8*
94 tail call void @consumestruct(i8* %0, i32 80) optsize
98 define void @f6(i32 %a, i32 %b, i32 %c, i32 %d, %struct.SmallStruct* nocapture byval %s) nounwind optsize {
100 ; CHECK: b{{(\.w)?}} _consumestruct
102 %addr = getelementptr inbounds %struct.SmallStruct, %struct.SmallStruct* %s, i32 0, i32 0
103 %0 = bitcast i32* %addr to i8*
104 tail call void @consumestruct(i8* %0, i32 80) optsize
108 declare void @consumestruct(i8* nocapture %structp, i32 %structsize) nounwind
111 %struct.I.8 = type { [10 x i32], [3 x i8] }
113 declare void @use_I(%struct.I.8* byval)
114 define void @test_I_16() {
115 ; CHECK-LABEL: test_I_16
119 call void @use_I(%struct.I.8* byval align 16 undef)