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[NVPTX] Fix emitting aggregate parameters
The code was missing the case for aggregate parameters and hence was emitting them as .b0 type. Also fixed a couple of comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200325 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1522,8 +1522,8 @@ void NVPTXAsmPrinter::emitFunctionParamList(const Function *F, raw_ostream &O) {
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}
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if (PAL.hasAttribute(paramIndex + 1, Attribute::ByVal) == false) {
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if (Ty->isVectorTy()) {
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// Just print .param .b8 .align <a> .param[size];
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if (Ty->isAggregateType() || Ty->isVectorTy()) {
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// Just print .param .align <a> .b8 .param[size];
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// <a> = PAL.getparamalignment
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// size = typeallocsize of element type
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unsigned align = PAL.getParamAlignment(paramIndex + 1);
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@ -1603,7 +1603,7 @@ void NVPTXAsmPrinter::emitFunctionParamList(const Function *F, raw_ostream &O) {
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Type *ETy = PTy->getElementType();
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if (isABI || isKernelFunc) {
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// Just print .param .b8 .align <a> .param[size];
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// Just print .param .align <a> .b8 .param[size];
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// <a> = PAL.getparamalignment
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// size = typeallocsize of element type
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unsigned align = PAL.getParamAlignment(paramIndex + 1);
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20
test/CodeGen/NVPTX/aggr-param.ll
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20
test/CodeGen/NVPTX/aggr-param.ll
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@ -0,0 +1,20 @@
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; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
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; Make sure aggregate param types get emitted properly.
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%struct.float4 = type { float, float, float, float }
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; CHECK: .visible .func bar
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; CHECK: .param .align 4 .b8 bar_param_0[16]
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define void @bar(%struct.float4 %f) {
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entry:
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ret void
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}
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; CHECK: .visible .func foo
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; CHECK: .param .align 4 .b8 foo_param_0[20]
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define void @foo([5 x i32] %f) {
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entry:
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ret void
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}
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