; RUN: llc < %s -march=xcore | FileCheck %s
+; RUN: llc < %s -march=xcore -disable-fp-elim | FileCheck %s -check-prefix=CHECKFP
declare i8* @llvm.frameaddress(i32) nounwind readnone
+declare i8* @llvm.returnaddress(i32) nounwind
+declare i8* @llvm.eh.dwarf.cfa(i32) nounwind
+declare void @llvm.eh.return.i32(i32, i8*) nounwind
+declare void @llvm.eh.unwind.init() nounwind
+
define i8* @FA0() nounwind {
entry:
; CHECK-LABEL: FA0
ret i8* %1
}
-declare i8* @llvm.returnaddress(i32) nounwind readnone
define i8* @RA0() nounwind {
entry:
; CHECK-LABEL: RA0
}
; test FRAME_TO_ARGS_OFFSET lowering
-declare i8* @llvm.eh.dwarf.cfa(i32) nounwind
define i8* @FTAO0() nounwind {
entry:
; CHECK-LABEL: FTAO0
ret i8* %1
}
-declare void @llvm.eh.return.i32(i32, i8*)
define i8* @EH0(i32 %offset, i8* %handler) {
entry:
; CHECK-LABEL: EH0
call void @llvm.eh.return.i32(i32 %0, i8* @handler)
unreachable
}
+
+
+; FP: spill FP+SR+R4:9 = entsp 2 + 6
+; CHECKFP-LABEL: Unwind0:
+; CHECKFP: entsp 8
+; CHECKFP: stw r10, sp[1]
+; CHECKFP: ldaw r10, sp[0]
+; CHECKFP: stw r4, r10[7]
+; CHECKFP: stw r5, r10[6]
+; CHECKFP: stw r6, r10[5]
+; CHECKFP: stw r7, r10[4]
+; CHECKFP: stw r8, r10[3]
+; CHECKFP: stw r9, r10[2]
+; CHECKFP: ldw r9, r10[2]
+; CHECKFP: ldw r8, r10[3]
+; CHECKFP: ldw r7, r10[4]
+; CHECKFP: ldw r6, r10[5]
+; CHECKFP: ldw r5, r10[6]
+; CHECKFP: ldw r4, r10[7]
+; CHECKFP: set sp, r10
+; CHECKFP: ldw r10, sp[1]
+; CHECKFP: retsp 8
+;
+; !FP: spill R4:10 = entsp 7
+; CHECK-LABEL: Unwind0:
+; CHECK: entsp 7
+; CHECK: stw r4, sp[6]
+; CHECK: stw r5, sp[5]
+; CHECK: stw r6, sp[4]
+; CHECK: stw r7, sp[3]
+; CHECK: stw r8, sp[2]
+; CHECK: stw r9, sp[1]
+; CHECK: stw r10, sp[0]
+; CHECK: ldw r10, sp[0]
+; CHECK: ldw r9, sp[1]
+; CHECK: ldw r8, sp[2]
+; CHECK: ldw r7, sp[3]
+; CHECK: ldw r6, sp[4]
+; CHECK: ldw r5, sp[5]
+; CHECK: ldw r4, sp[6]
+; CHECK: retsp 7
+define void @Unwind0() {
+ call void @llvm.eh.unwind.init()
+ ret void
+}
+
+
+; FP: spill FP+SR+R4:9+LR = entsp 2 + 6 + extsp 1
+; CHECKFP-LABEL: Unwind1:
+; CHECKFP: entsp 8
+; CHECKFP: stw r10, sp[1]
+; CHECKFP: ldaw r10, sp[0]
+; CHECKFP: stw r4, r10[7]
+; CHECKFP: stw r5, r10[6]
+; CHECKFP: stw r6, r10[5]
+; CHECKFP: stw r7, r10[4]
+; CHECKFP: stw r8, r10[3]
+; CHECKFP: stw r9, r10[2]
+; CHECKFP: extsp 1
+; CHECKFP: bl foo
+; CHECKFP: ldaw sp, sp[1]
+; CHECKFP: ldw r9, r10[2]
+; CHECKFP: ldw r8, r10[3]
+; CHECKFP: ldw r7, r10[4]
+; CHECKFP: ldw r6, r10[5]
+; CHECKFP: ldw r5, r10[6]
+; CHECKFP: ldw r4, r10[7]
+; CHECKFP: set sp, r10
+; CHECKFP: ldw r10, sp[1]
+; CHECKFP: retsp 8
+;
+; !FP: spill R4:10+LR = entsp 7 + 1
+; CHECK-LABEL: Unwind1:
+; CHECK: entsp 8
+; CHECK: stw r4, sp[7]
+; CHECK: stw r5, sp[6]
+; CHECK: stw r6, sp[5]
+; CHECK: stw r7, sp[4]
+; CHECK: stw r8, sp[3]
+; CHECK: stw r9, sp[2]
+; CHECK: stw r10, sp[1]
+; CHECK: bl foo
+; CHECK: ldw r10, sp[1]
+; CHECK: ldw r9, sp[2]
+; CHECK: ldw r8, sp[3]
+; CHECK: ldw r7, sp[4]
+; CHECK: ldw r6, sp[5]
+; CHECK: ldw r5, sp[6]
+; CHECK: ldw r4, sp[7]
+; CHECK: retsp 8
+define void @Unwind1() {
+ call void (...)* @foo()
+ call void @llvm.eh.unwind.init()
+ ret void
+}