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ARM: add testing case for struct byval

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rdar://9877866


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157876 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manman Ren 2012-06-02 05:37:44 +00:00
parent 3309dbab30
commit be4258adc5
1 changed files with 32 additions and 0 deletions
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32
test/CodeGen/ARM/struct_byval.ll Normal file
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; RUN: llc < %s -mtriple=armv7-apple-ios6.0 | FileCheck %s
; rdar://9877866
%struct.SmallStruct = type { i32, [8 x i32], [37 x i8] }
%struct.LargeStruct = type { i32, [1001 x i8], [300 x i32] }
define i32 @f() nounwind ssp {
entry:
; CHECK: f:
; CHECK: ldr
; CHECK: str
; CHECK-NOT:bne
%st = alloca %struct.SmallStruct, align 4
%call = call i32 @e1(%struct.SmallStruct* byval %st)
ret i32 0
}
; Generate a loop for large struct byval
define i32 @g() nounwind ssp {
entry:
; CHECK: g:
; CHECK: ldr
; CHECK: sub
; CHECK: str
; CHECK: bne
%st = alloca %struct.LargeStruct, align 4
%call = call i32 @e2(%struct.LargeStruct* byval %st)
ret i32 0
}
declare i32 @e1(%struct.SmallStruct* nocapture byval %in) nounwind
declare i32 @e2(%struct.LargeStruct* nocapture byval %in) nounwind