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[NVPTX] Fix PR41651

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Summary:
- Use the passed `DL` directly as retrieving data layout from CS by
  checking the called function is not reliable. Under indirect function
  call, there is no called function.

Subscribers: jholewinski, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65468

llvm-svn: 367349
This commit is contained in:
Michael Liao 2019-07-30 19:52:01 +00:00
parent d05c641cc7
commit 231a6534b0
2 changed files with 15 additions and 2 deletions
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4
lib/Target/NVPTX/NVPTXISelLowering.cpp
View File

@ -1291,8 +1291,8 @@ std::string NVPTXTargetLowering::getPrototype(
O << ".param .b" << size << " _";
} else if (isa<PointerType>(retTy)) {
O << ".param .b" << PtrVT.getSizeInBits() << " _";
} else if (retTy->isAggregateType() || retTy->isVectorTy() || retTy->isIntegerTy(128)) {
auto &DL = CS.getCalledFunction()->getParent()->getDataLayout();
} else if (retTy->isAggregateType() || retTy->isVectorTy() ||
retTy->isIntegerTy(128)) {
O << ".param .align " << retAlignment << " .b8 _["
<< DL.getTypeAllocSize(retTy) << "]";
} else {

13
test/CodeGen/NVPTX/bug41651.ll Normal file
View File

@ -0,0 +1,13 @@
; RUN: llc -filetype=asm -o - %s | FileCheck %s
target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64"
target triple = "nvptx64-nvidia-cuda"
%func = type { i32 (i32, i32)** }
; CHECK: foo
; CHECK: call
; CHECK: ret
define void @foo() {
%call = call %func undef(i32 0, i32 1)
ret void
}