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Pull in r201994 from upstream llvm trunk (by Benjamin Kramer):
SPARC: Implement TRAP lowering. Matches what GCC emits.
Introduced here: http://svn.freebsd.org/changeset/base/262415
Index: lib/Target/Sparc/SparcInstrInfo.td
===================================================================
--- lib/Target/Sparc/SparcInstrInfo.td
+++ lib/Target/Sparc/SparcInstrInfo.td
@@ -312,6 +312,9 @@ let hasSideEffects = 1, mayStore = 1 in {
[(flushw)]>;
}
+let isBarrier = 1, isTerminator = 1, rd = 0b1000, rs1 = 0, simm13 = 5 in
+ def TA5 : F3_2<0b10, 0b111010, (outs), (ins), "ta 5", [(trap)]>;
+
let rd = 0 in
def UNIMP : F2_1<0b000, (outs), (ins i32imm:$val),
"unimp $val", []>;
Index: lib/Target/Sparc/SparcISelLowering.cpp
===================================================================
--- lib/Target/Sparc/SparcISelLowering.cpp
+++ lib/Target/Sparc/SparcISelLowering.cpp
@@ -1565,6 +1565,8 @@ SparcTargetLowering::SparcTargetLowering(TargetMac
// VAARG needs to be lowered to not do unaligned accesses for doubles.
setOperationAction(ISD::VAARG , MVT::Other, Custom);
+ setOperationAction(ISD::TRAP , MVT::Other, Legal);
+
// Use the default implementation.
setOperationAction(ISD::VACOPY , MVT::Other, Expand);
setOperationAction(ISD::VAEND , MVT::Other, Expand);
Index: test/CodeGen/SPARC/trap.ll
===================================================================
--- test/CodeGen/SPARC/trap.ll
+++ test/CodeGen/SPARC/trap.ll
@@ -0,0 +1,11 @@
+; RUN: llc -mtriple=sparc-linux-gnu < %s -show-mc-encoding | FileCheck %s
+
+define void @test1() {
+ tail call void @llvm.trap()
+ unreachable
+
+; CHECK-LABEL: test1:
+; CHECK: ta 5 ! encoding: [0x91,0xd0,0x20,0x05]
+}
+
+declare void @llvm.trap()
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