From 68765757d4e952faaeda6f2402ecfb464b288859 Mon Sep 17 00:00:00 2001 From: Daniel Cederman Date: Mon, 16 Jul 2018 12:16:53 +0000 Subject: [PATCH] [Sparc] Generate ta 1 for the @llvm.debugtrap intrinsic Summary: Software trap number one is the trap used for breakpoints in the Sparc ABI. Reviewers: jyknight, venkatra Reviewed By: jyknight Subscribers: fedor.sergeev, jrtc27, llvm-commits Differential Revision: https://reviews.llvm.org/D48637 llvm-svn: 337163 --- llvm/lib/Target/Sparc/SparcISelLowering.cpp | 1 + llvm/lib/Target/Sparc/SparcInstrInfo.td | 3 +++ llvm/test/CodeGen/SPARC/trap.ll | 10 ++++++++++ 3 files changed, 14 insertions(+) diff --git a/llvm/lib/Target/Sparc/SparcISelLowering.cpp b/llvm/lib/Target/Sparc/SparcISelLowering.cpp index 14a99c0..1a42b23 100644 --- a/llvm/lib/Target/Sparc/SparcISelLowering.cpp +++ b/llvm/lib/Target/Sparc/SparcISelLowering.cpp @@ -1727,6 +1727,7 @@ SparcTargetLowering::SparcTargetLowering(const TargetMachine &TM, setOperationAction(ISD::VAARG , MVT::Other, Custom); setOperationAction(ISD::TRAP , MVT::Other, Legal); + setOperationAction(ISD::DEBUGTRAP , MVT::Other, Legal); // Use the default implementation. setOperationAction(ISD::VACOPY , MVT::Other, Expand); diff --git a/llvm/lib/Target/Sparc/SparcInstrInfo.td b/llvm/lib/Target/Sparc/SparcInstrInfo.td index ad00c83..7541e3e 100644 --- a/llvm/lib/Target/Sparc/SparcInstrInfo.td +++ b/llvm/lib/Target/Sparc/SparcInstrInfo.td @@ -1009,6 +1009,9 @@ let DecoderNamespace = "SparcV9", DecoderMethod = "DecodeTRAP", Predicates = [Ha let isBarrier = 1, isTerminator = 1, rd = 0b01000, rs1 = 0, simm13 = 5 in def TA5 : F3_2<0b10, 0b111010, (outs), (ins), "ta 5", [(trap)]>; +def : Pat<(debugtrap), + (TRAPri (i32 G0), (i32 1), (i32 8))>; + // Section B.28 - Read State Register Instructions let rs2 = 0 in def RDASR : F3_1<2, 0b101000, diff --git a/llvm/test/CodeGen/SPARC/trap.ll b/llvm/test/CodeGen/SPARC/trap.ll index b72a63c..c2f66ca 100644 --- a/llvm/test/CodeGen/SPARC/trap.ll +++ b/llvm/test/CodeGen/SPARC/trap.ll @@ -9,3 +9,13 @@ define void @test1() { } declare void @llvm.trap() + +; CHECK-LABEL: testdebugtrap: +; CHECK: ta 1 ! encoding: [0x91,0xd0,0x20,0x01] +define void @testdebugtrap() { +entry: + call void @llvm.debugtrap() + ret void +} + +declare void @llvm.debugtrap() -- 2.7.4