Mercurial > hg > CbC > CbC_llvm
comparison test/CodeGen/X86/libcall-sret.ll @ 77:54457678186b LLVM3.6
LLVM 3.6
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 08 Sep 2014 22:06:00 +0900 |
| parents | |
| children | 1172e4bd9c6f |
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| 34:e874dbf0ad9d | 77:54457678186b |
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| 1 ; RUN: llc -mtriple=i686-linux-gnu -o - %s | FileCheck %s | |
| 2 | |
| 3 @var = global i128 0 | |
| 4 | |
| 5 ; We were trying to convert the i128 operation into a libcall, but failing to | |
| 6 ; perform sret demotion when we couldn't return the result in registers. Make | |
| 7 ; sure we marshal the return properly: | |
| 8 | |
| 9 define void @test_sret_libcall(i128 %l, i128 %r) { | |
| 10 ; CHECK-LABEL: test_sret_libcall: | |
| 11 | |
| 12 ; Stack for call: 4(sret ptr), 16(i128 %l), 16(128 %r). So next logical | |
| 13 ; (aligned) place for the actual sret data is %esp + 40. | |
| 14 ; CHECK: leal 40(%esp), [[SRET_ADDR:%[a-z]+]] | |
| 15 ; CHECK: movl [[SRET_ADDR]], (%esp) | |
| 16 ; CHECK: calll __multi3 | |
| 17 ; CHECK-DAG: movl 40(%esp), [[RES0:%[a-z]+]] | |
| 18 ; CHECK-DAG: movl 44(%esp), [[RES1:%[a-z]+]] | |
| 19 ; CHECK-DAG: movl 48(%esp), [[RES2:%[a-z]+]] | |
| 20 ; CHECK-DAG: movl 52(%esp), [[RES3:%[a-z]+]] | |
| 21 ; CHECK-DAG: movl [[RES0]], var | |
| 22 ; CHECK-DAG: movl [[RES1]], var+4 | |
| 23 ; CHECK-DAG: movl [[RES2]], var+8 | |
| 24 ; CHECK-DAG: movl [[RES3]], var+12 | |
| 25 %prod = mul i128 %l, %r | |
| 26 store i128 %prod, i128* @var | |
| 27 ret void | |
| 28 } |