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(ptr byval(%struct.SmallStruct) %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[0-9]+|lr}}, #
39 %st = alloca %struct.LargeStruct, align 4
40 %call = call i32 @e2(ptr byval(%struct.LargeStruct) %st)
44 ; Generate a loop using NEON instructions
45 define i32 @h() nounwind ssp {
52 ; NACL: movw {{r[0-9]+|lr}}, #
57 %st = alloca %struct.LargeStruct, align 16
58 %call = call i32 @e3(ptr byval(%struct.LargeStruct) align 16 %st)
62 declare i32 @e1(ptr nocapture byval(%struct.SmallStruct) %in) nounwind
63 declare i32 @e2(ptr nocapture byval(%struct.LargeStruct) %in) nounwind
64 declare i32 @e3(ptr nocapture byval(%struct.LargeStruct) 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(ptr nocapture byval(%struct.SmallStruct) %s) nounwind optsize {
71 ; CHECK: bl _consumestruct
73 tail call void @consumestruct(ptr %s, i32 80) optsize
77 define void @f4(ptr nocapture byval(%struct.SmallStruct) %s) nounwind optsize {
79 ; CHECK: bl _consumestruct
81 tail call void @consumestruct(ptr %s, i32 80) optsize
85 ; We can do tail call here since s is in the incoming argument area.
86 define void @f5(i32 %a, i32 %b, i32 %c, i32 %d, ptr nocapture byval(%struct.SmallStruct) %s) nounwind optsize {
88 ; CHECK: b{{(\.w)?}} _consumestruct
90 tail call void @consumestruct(ptr %s, i32 80) optsize
94 define void @f6(i32 %a, i32 %b, i32 %c, i32 %d, ptr nocapture byval(%struct.SmallStruct) %s) nounwind optsize {
96 ; CHECK: b{{(\.w)?}} _consumestruct
98 tail call void @consumestruct(ptr %s, i32 80) optsize
102 declare void @consumestruct(ptr nocapture %structp, i32 %structsize) nounwind
105 %struct.I.8 = type { [10 x i32], [3 x i8] }
107 declare void @use_I(ptr byval(%struct.I.8))
108 define void @test_I_16() {
109 ; CHECK-LABEL: test_I_16
113 call void @use_I(ptr byval(%struct.I.8) align 16 undef)