Mercurial > hg > CbC > CbC_llvm
view test/CodeGen/X86/libcall-sret.ll @ 100:7d135dc70f03 LLVM 3.9
LLVM 3.9
author | Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp> |
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date | Tue, 26 Jan 2016 22:53:40 +0900 |
parents | 54457678186b |
children | 1172e4bd9c6f |
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; RUN: llc -mtriple=i686-linux-gnu -o - %s | FileCheck %s @var = global i128 0 ; We were trying to convert the i128 operation into a libcall, but failing to ; perform sret demotion when we couldn't return the result in registers. Make ; sure we marshal the return properly: define void @test_sret_libcall(i128 %l, i128 %r) { ; CHECK-LABEL: test_sret_libcall: ; Stack for call: 4(sret ptr), 16(i128 %l), 16(128 %r). So next logical ; (aligned) place for the actual sret data is %esp + 40. ; CHECK: leal 40(%esp), [[SRET_ADDR:%[a-z]+]] ; CHECK: movl [[SRET_ADDR]], (%esp) ; CHECK: calll __multi3 ; CHECK-DAG: movl 40(%esp), [[RES0:%[a-z]+]] ; CHECK-DAG: movl 44(%esp), [[RES1:%[a-z]+]] ; CHECK-DAG: movl 48(%esp), [[RES2:%[a-z]+]] ; CHECK-DAG: movl 52(%esp), [[RES3:%[a-z]+]] ; CHECK-DAG: movl [[RES0]], var ; CHECK-DAG: movl [[RES1]], var+4 ; CHECK-DAG: movl [[RES2]], var+8 ; CHECK-DAG: movl [[RES3]], var+12 %prod = mul i128 %l, %r store i128 %prod, i128* @var ret void }