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XCore target: Lower EH_RETURN

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198615 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Robert Lytton
2014-01-06 14:21:07 +00:00
parent af74cbf553
commit 3a905cbce6
5 changed files with 127 additions and 1 deletions
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62
test/CodeGen/XCore/llvm-intrinsics.ll
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@@ -21,7 +21,6 @@ entry:
ret i8* %1
}
declare i8* @llvm.returnaddress(i32) nounwind readnone
define i8* @RA0() nounwind {
entry:
@@ -70,3 +69,64 @@ entry:
%1 = call i8* @llvm.eh.dwarf.cfa(i32 0)
ret i8* %1
}
declare void @llvm.eh.return.i32(i32, i8*)
define i8* @EH0(i32 %offset, i8* %handler) {
entry:
; CHECK-LABEL: EH0
; CHECK: ldc r2, 0
; CHECK-NEXT: ldaw r3, sp[0]
; CHECK-NEXT: add r2, r3, r2
; CHECK-NEXT: add r2, r2, r0
; CHECK-NEXT: mov r3, r1
; CHECK-NEXT: set sp, r2
; CHECK-NEXT: bau r3
call void @llvm.eh.return.i32(i32 %offset, i8* %handler)
unreachable
}
declare void @foo(...)
define i8* @EH1(i32 %offset, i8* %handler) {
entry:
; CHECK-LABEL: EH1
; CHECK: entsp 3
; CHECK: stw r4, sp[2]
; CHECK: stw r5, sp[1]
; CHECK: mov r4, r1
; CHECK-NEXT: mov r5, r0
; CHECK-NEXT: bl foo
; CHECK-NEXT: ldc r0, 12
; CHECK-NEXT: ldaw r1, sp[0]
; CHECK-NEXT: add r0, r1, r0
; CHECK-NEXT: add r2, r0, r5
; CHECK-NEXT: mov r3, r4
; CHECK-NEXT: ldw r5, sp[1]
; CHECK-NEXT: ldw r4, sp[2]
; CHECK-NEXT: set sp, r2
; CHECK-NEXT: bau r3
call void (...)* @foo()
call void @llvm.eh.return.i32(i32 %offset, i8* %handler)
unreachable
}
@offset = external constant i32
@handler = external constant i8
define i8* @EH2(i32 %r0, i32 %r1, i32 %r2, i32 %r3) {
entry:
; CHECK-LABEL: EH2
; CHECK: entsp 1
; CHECK: bl foo
; CHECK-NEXT: ldw r0, cp[offset]
; CHECK-NEXT: ldc r1, 4
; CHECK-NEXT: ldaw r2, sp[0]
; CHECK-NEXT: add r1, r2, r1
; CHECK-NEXT: add r2, r1, r0
; CHECK-NEXT: ldaw r11, cp[handler]
; CHECK-NEXT: mov r3, r11
; CHECK-NEXT: set sp, r2
; CHECK-NEXT: bau r3
call void (...)* @foo()
%0 = load i32* @offset
call void @llvm.eh.return.i32(i32 %0, i8* @handler)
unreachable
}