[PATCH] D55144: [NVPTX] Add lowering of i128 numbers as struct fields
Artem Belevich via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Nov 30 16:24:55 PST 2018
This revision was automatically updated to reflect the committed changes.
Closed by commit rL348057: [NVPTX] Add lowering of i128 numbers as struct fields (authored by tra, committed by ).
Changed prior to commit:
https://reviews.llvm.org/D55144?vs=176201&id=176221#toc
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D55144/new/
https://reviews.llvm.org/D55144
Files:
llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp
llvm/trunk/test/CodeGen/NVPTX/i128-struct.ll
Index: llvm/trunk/test/CodeGen/NVPTX/i128-struct.ll
===================================================================
--- llvm/trunk/test/CodeGen/NVPTX/i128-struct.ll
+++ llvm/trunk/test/CodeGen/NVPTX/i128-struct.ll
@@ -0,0 +1,13 @@
+; RUN: llc < %s -O0 -march=nvptx64 -mcpu=sm_20 | FileCheck %s
+
+; CHECK-LABEL: .visible .func (.param .align 16 .b8 func_retval0[32]) foo(
+define { i128, i128 } @foo(i64 %a, i32 %b) {
+ %1 = sext i64 %a to i128
+ %2 = sext i32 %b to i128
+ %3 = insertvalue { i128, i128 } undef, i128 %1, 0
+ %4 = insertvalue { i128, i128 } %3, i128 %2, 1
+
+ ; CHECK: st.param.v2.b64 [func_retval0+0], {%[[REG1:rd[0-9]+]], %[[REG2:rd[0-9]+]]};
+ ; CHECK: st.param.v2.b64 [func_retval0+16], {%[[REG3:rd[0-9]+]], %[[REG4:rd[0-9]+]]};
+ ret { i128, i128 } %4
+}
Index: llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp
+++ llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp
@@ -180,6 +180,18 @@
return;
}
+ // Given a struct type, recursively traverse the elements with custom ComputePTXValueVTs.
+ if (StructType *STy = dyn_cast<StructType>(Ty)) {
+ auto const *SL = DL.getStructLayout(STy);
+ auto ElementNum = 0;
+ for(auto *EI : STy->elements()) {
+ ComputePTXValueVTs(TLI, DL, EI, ValueVTs, Offsets,
+ StartingOffset + SL->getElementOffset(ElementNum));
+ ++ElementNum;
+ }
+ return;
+ }
+
ComputeValueVTs(TLI, DL, Ty, TempVTs, &TempOffsets, StartingOffset);
for (unsigned i = 0, e = TempVTs.size(); i != e; ++i) {
EVT VT = TempVTs[i];
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