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| author | Stephen Hines <srhines@google.com> | 2014-07-21 00:45:20 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-07-25 00:48:57 -0700 |
| commit | cd81d94322a39503e4a3e87b6ee03d4fcb3465fb (patch) | |
| tree | 81b7dd2bb4370a392f31d332a566c903b5744764 /test/CodeGen/X86/libcall-sret.ll | |
| parent | 0c5f13c0c4499eaf42ab5e9e2ceabd4e20e36861 (diff) | |
| download | external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.zip external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.tar.gz external_llvm-cd81d94322a39503e4a3e87b6ee03d4fcb3465fb.tar.bz2 | |
Update LLVM for rebase to r212749.
Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls
Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
Diffstat (limited to 'test/CodeGen/X86/libcall-sret.ll')
| -rw-r--r-- | test/CodeGen/X86/libcall-sret.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/X86/libcall-sret.ll b/test/CodeGen/X86/libcall-sret.ll new file mode 100644 index 0000000..67b99ac --- /dev/null +++ b/test/CodeGen/X86/libcall-sret.ll @@ -0,0 +1,28 @@ +; 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 +} |