https://github.com/4vtomat edited
https://github.com/llvm/llvm-project/pull/77560
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https://github.com/4vtomat closed
https://github.com/llvm/llvm-project/pull/77560
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https://github.com/4vtomat updated
https://github.com/llvm/llvm-project/pull/77560
>From 08371002a08d8958cd23eecb5ff3c5f2f2661c0e Mon Sep 17 00:00:00 2001
From: 4vtomat
Date: Wed, 22 Mar 2023 22:58:35 -0700
Subject: [PATCH] [RISCV] RISCV vector calling convention (1/2)
This is the vector
4vtomat wrote:
Rebase and squash
https://github.com/llvm/llvm-project/pull/77560
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https://github.com/topperc approved this pull request.
LGTM
https://github.com/llvm/llvm-project/pull/77560
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@@ -3439,6 +3439,8 @@ StringRef FunctionType::getNameForCallConv(CallingConv
CC) {
case CC_PreserveAll: return "preserve_all";
case CC_M68kRTD: return "m68k_rtd";
case CC_PreserveNone: return "preserve_none";
+ case CC_RISCVVectorCall:
4vtomat wrote:
@@ -3439,6 +3439,8 @@ StringRef FunctionType::getNameForCallConv(CallingConv
CC) {
case CC_PreserveAll: return "preserve_all";
case CC_M68kRTD: return "m68k_rtd";
case CC_PreserveNone: return "preserve_none";
+ case CC_RISCVVectorCall:
topperc wrote:
@@ -74,6 +74,8 @@ unsigned
CodeGenTypes::ClangCallConvToLLVMCallConv(CallingConv CC) {
case CC_SwiftAsync: return llvm::CallingConv::SwiftTail;
case CC_M68kRTD: return llvm::CallingConv::M68k_RTD;
case CC_PreserveNone: return llvm::CallingConv::PreserveNone;
+ case
4vtomat wrote:
> I tried compiling it and then got two warnings.
>
> ```
> llvm-project/clang/lib/CodeGen/CGDebugInfo.cpp:1408:11: warning: enumeration
> value 'CC_RISCVVectorCall' not handled in switch [-Wswitch]
> 1408 | switch (CC) {
> | ^~
> 1 warning generated.
>
sunshaoce wrote:
I tried compiling it and then got two warnings.
```
llvm-project/clang/lib/CodeGen/CGDebugInfo.cpp:1408:11: warning: enumeration
value 'CC_RISCVVectorCall' not handled in switch [-Wswitch]
1408 | switch (CC) {
| ^~
1 warning generated.
[3629/3776] Building
4vtomat wrote:
ping
https://github.com/llvm/llvm-project/pull/77560
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4vtomat wrote:
Rebase
https://github.com/llvm/llvm-project/pull/77560
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4vtomat wrote:
The latest fixup commit add [[riscv::riscv_vector]] supports for C23 and C++11.
https://github.com/llvm/llvm-project/pull/77560
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@@ -692,8 +692,71 @@ define <16 x i64> @fshr_v16i64(<16 x i64> %a, <16 x i64>
%b, <16 x i64> %c, <16
; CHECK-NEXT:csrr a0, vlenb
; CHECK-NEXT:slli a0, a0, 3
; CHECK-NEXT:add sp, sp, a0
+; CHECK-NEXT:.cfi_def_cfa sp, 16
; CHECK-NEXT:addi sp, sp, 16
;
@@ -1006,15 +1077,24 @@
RISCVFrameLowering::assignRVVStackObjectOffsets(MachineFunction ) const {
MachineFrameInfo = MF.getFrameInfo();
// Create a buffer of RVV objects to allocate.
SmallVector ObjectsToAllocate;
- for (int I = 0, E = MFI.getObjectIndexEnd(); I != E;
@@ -0,0 +1,27 @@
+// REQUIRES: riscv-registered-target
+// RUN: %clang_cc1 -triple riscv64 -target-feature +v \
+// RUN: -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-LLVM %s
+
+#include
+
+// CHECK-LLVM: call riscv_vector_cc @bar
+vint32m1_t
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