diff options
author | Simon Dardis <simon.dardis@imgtec.com> | 2016-08-04 09:17:07 +0000 |
---|---|---|
committer | Simon Dardis <simon.dardis@imgtec.com> | 2016-08-04 09:17:07 +0000 |
commit | 4a2734b5c9e528d469c3e4b20fa94cc5de759e8e (patch) | |
tree | 68bf15f9ee0c816d4091391f8fcec142c4ac4ffc /test/CodeGen/Mips/llvm-ir/call.ll | |
parent | de3bef53a201b64babfd321229695d8c78978863 (diff) |
[mips] Enable tail calls by default
Enable tail calls by default for (micro)MIPS(64).
microMIPS is slightly more tricky than doing it for MIPS(R6) or microMIPSR6.
microMIPS has two instruction encodings: 16bit and 32bit along with some
restrictions on the size of the instruction that can fill the delay slot.
For safe tail calls for microMIPS, the delay slot filler attempts to find
a correct size instruction for the delay slot of TAILCALL pseudos.
Reviewers: dsanders, vkalintris
Subscribers: jfb, dsanders, sdardis, llvm-commits
Differential Revision: https://reviews.llvm.org/D21138
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277708 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Mips/llvm-ir/call.ll')
-rw-r--r-- | test/CodeGen/Mips/llvm-ir/call.ll | 58 |
1 files changed, 38 insertions, 20 deletions
diff --git a/test/CodeGen/Mips/llvm-ir/call.ll b/test/CodeGen/Mips/llvm-ir/call.ll index 0d524d43960..1d0c76877dd 100644 --- a/test/CodeGen/Mips/llvm-ir/call.ll +++ b/test/CodeGen/Mips/llvm-ir/call.ll @@ -1,18 +1,29 @@ ; Test the 'call' instruction and the tailcall variant. -; FIXME: We should remove the need for -enable-mips-tail-calls -; RUN: llc -march=mips -mcpu=mips32 -relocation-model=pic -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C -; RUN: llc -march=mips -mcpu=mips32r2 -relocation-model=pic -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C -; RUN: llc -march=mips -mcpu=mips32r3 -relocation-model=pic -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C -; RUN: llc -march=mips -mcpu=mips32r5 -relocation-model=pic -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C -; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -disable-mips-delay-filler -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,R6C -; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -mattr=+fp64,+nooddspreg -disable-mips-delay-filler -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,O32,R6C -; RUN: llc -march=mips64 -mcpu=mips4 -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C -; RUN: llc -march=mips64 -mcpu=mips64 -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C -; RUN: llc -march=mips64 -mcpu=mips64r2 -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C -; RUN: llc -march=mips64 -mcpu=mips64r3 -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C -; RUN: llc -march=mips64 -mcpu=mips64r5 -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C -; RUN: llc -march=mips64 -mcpu=mips64r6 -disable-mips-delay-filler -enable-mips-tail-calls < %s | FileCheck %s -check-prefixes=ALL,N64,R6C +; RUN: llc -march=mips -mcpu=mips32 -relocation-model=pic < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C +; RUN: llc -march=mips -mcpu=mips32r2 -relocation-model=pic < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C +; RUN: llc -march=mips -mcpu=mips32r3 -relocation-model=pic < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C +; RUN: llc -march=mips -mcpu=mips32r5 -relocation-model=pic < %s | FileCheck %s -check-prefixes=ALL,O32,NOT-R6C +; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -disable-mips-delay-filler < %s | FileCheck %s -check-prefixes=ALL,O32,R6C +; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -mattr=+fp64,+nooddspreg -disable-mips-delay-filler < %s | FileCheck %s -check-prefixes=ALL,O32,R6C +; RUN: llc -march=mips64 -mcpu=mips4 < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C +; RUN: llc -march=mips64 -mcpu=mips64 < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C +; RUN: llc -march=mips64 -mcpu=mips64r2 < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C +; RUN: llc -march=mips64 -mcpu=mips64r3 < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C +; RUN: llc -march=mips64 -mcpu=mips64r5 < %s | FileCheck %s -check-prefixes=ALL,N64,NOT-R6C +; RUN: llc -march=mips64 -mcpu=mips64r6 -disable-mips-delay-filler < %s | FileCheck %s -check-prefixes=ALL,N64,R6C +; RUN: llc -march=mips -mcpu=mips32 -relocation-model=pic < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=NOT-R6C +; RUN: llc -march=mips -mcpu=mips32r2 -relocation-model=pic < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=NOT-R6C +; RUN: llc -march=mips -mcpu=mips32r3 -relocation-model=pic < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=NOT-R6C +; RUN: llc -march=mips -mcpu=mips32r5 -relocation-model=pic < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=NOT-R6C +; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -disable-mips-delay-filler < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=R6C +; RUN: llc -march=mips -mcpu=mips32r6 -relocation-model=pic -mattr=+fp64,+nooddspreg -disable-mips-delay-filler < %s | FileCheck %s -check-prefix=ALL -check-prefix=O32 -check-prefix=R6C +; RUN: llc -march=mips64 -mcpu=mips4 < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=NOT-R6C +; RUN: llc -march=mips64 -mcpu=mips64 < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=NOT-R6C +; RUN: llc -march=mips64 -mcpu=mips64r2 < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=NOT-R6C +; RUN: llc -march=mips64 -mcpu=mips64r3 < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=NOT-R6C +; RUN: llc -march=mips64 -mcpu=mips64r5 < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=NOT-R6C +; RUN: llc -march=mips64 -mcpu=mips64r6 -disable-mips-delay-filler < %s | FileCheck %s -check-prefix=ALL -check-prefix=N64 -check-prefix=R6C declare void @extern_void_void() declare i32 @extern_i32_void() @@ -76,7 +87,8 @@ define void @musttail_call_void_void() { ; N64: ld $[[TGT:[0-9]+]], %call16(extern_void_void)($gp) -; ALL: jr $[[TGT]] +; NOT-R6C: jr $[[TGT]] +; R6C: jrc $[[TGT]] musttail call void @extern_void_void() ret void @@ -89,7 +101,8 @@ define i32 @musttail_call_i32_void() { ; N64: ld $[[TGT:[0-9]+]], %call16(extern_i32_void)($gp) -; ALL: jr $[[TGT]] +; NOT-R6C: jr $[[TGT]] +; R6C: jrc $[[TGT]] %1 = musttail call i32 @extern_i32_void() ret i32 %1 @@ -102,7 +115,8 @@ define float @musttail_call_float_void() { ; N64: ld $[[TGT:[0-9]+]], %call16(extern_float_void)($gp) -; ALL: jr $[[TGT]] +; NOT-R6C: jr $[[TGT]] +; R6C: jrc $[[TGT]] %1 = musttail call float @extern_float_void() ret float %1 @@ -154,7 +168,8 @@ define void @tail_indirect_call_void_void(void ()* %addr) { ; ALL-LABEL: tail_indirect_call_void_void: ; ALL: move $25, $4 -; ALL: jr $25 +; NOT-R6C: jr $[[TGT]] +; R6C: jrc $[[TGT]] tail call void %addr() ret void @@ -164,7 +179,8 @@ define i32 @tail_indirect_call_i32_void(i32 ()* %addr) { ; ALL-LABEL: tail_indirect_call_i32_void: ; ALL: move $25, $4 -; ALL: jr $25 +; NOT-R6C: jr $[[TGT]] +; R6C: jrc $[[TGT]] %1 = tail call i32 %addr() ret i32 %1 @@ -174,7 +190,8 @@ define float @tail_indirect_call_float_void(float ()* %addr) { ; ALL-LABEL: tail_indirect_call_float_void: ; ALL: move $25, $4 -; ALL: jr $25 +; NOT-R6C: jr $[[TGT]] +; R6C: jrc $[[TGT]] %1 = tail call float %addr() ret float %1 @@ -188,7 +205,8 @@ define hidden void @thunk_undef_double(i32 %this, double %volume) unnamed_addr a ; ALL-LABEL: thunk_undef_double: ; O32: # implicit-def: %A2 ; O32: # implicit-def: %A3 -; ALL: jr $25 +; NOT-R6C: jr $[[TGT]] +; R6C: jrc $[[TGT]] tail call void @undef_double(i32 undef, double undef) #8 ret void |