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Added file that should have been in r223022.

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I forgot to 'svn add' it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_35@223030 91177308-0d34-0410-b5e6-96231b3b80d8
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Daniel Sanders 2014-12-01 15:10:11 +00:00
parent f0383f0d31
commit 1842c73e12
1 changed files with 36 additions and 0 deletions
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36
test/CodeGen/Mips/cconv/return-hard-struct-f128.ll Normal file
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; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -mattr=-n64,+n32 < %s | FileCheck --check-prefix=ALL --check-prefix=N32 %s
; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -mattr=-n64,+n32 < %s | FileCheck --check-prefix=ALL --check-prefix=N32 %s
; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -mattr=-n64,+n64 < %s | FileCheck --check-prefix=ALL --check-prefix=N64 %s
; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -mattr=-n64,+n64 < %s | FileCheck --check-prefix=ALL --check-prefix=N64 %s
; Test return of {fp128} agrees with de-facto N32/N64 ABI.
@struct_fp128 = global {fp128} zeroinitializer
define inreg {fp128} @ret_struct_fp128() nounwind {
entry:
%0 = load volatile {fp128}* @struct_fp128
ret {fp128} %0
}
; ALL-LABEL: ret_struct_fp128:
; O32 generates different IR so we don't test it here. It returns the struct
; indirectly.
; Contrary to the N32/N64 ABI documentation, a struct containing a long double
; is returned in $f0, and $f1 instead of the usual $f0, and $f2. This is to
; match the de facto ABI as implemented by GCC.
; N32-DAG: lui [[R1:\$[0-9]+]], %hi(struct_fp128)
; N32-DAG: ld [[R2:\$[0-9]+]], %lo(struct_fp128)([[R1]])
; N32-DAG: dmtc1 [[R2]], $f0
; N32-DAG: addiu [[R3:\$[0-9]+]], [[R1]], %lo(struct_fp128)
; N32-DAG: ld [[R4:\$[0-9]+]], 8([[R3]])
; N32-DAG: dmtc1 [[R4]], $f1
; N64-DAG: ld [[R1:\$[0-9]+]], %got_disp(struct_fp128)($1)
; N64-DAG: ld [[R2:\$[0-9]+]], 0([[R1]])
; N64-DAG: dmtc1 [[R2]], $f0
; N64-DAG: ld [[R4:\$[0-9]+]], 8([[R1]])
; N64-DAG: dmtc1 [[R4]], $f1