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[SparcV9]: Implement RETURNADDR and FRAMEADDR lowering in SPARC64.

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Fixes PR18356.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198480 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Venkatraman Govindaraju
2014-01-04 07:17:21 +00:00
parent c846d65f99
commit 6e202a960e
2 changed files with 78 additions and 50 deletions
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35
test/CodeGen/SPARC/2011-01-11-FrameAddr.ll
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@@ -2,6 +2,7 @@
;RUN: llc -march=sparc -mattr=v9 < %s | FileCheck %s -check-prefix=V9
;RUN: llc -march=sparc -regalloc=basic < %s | FileCheck %s -check-prefix=V8
;RUN: llc -march=sparc -regalloc=basic -mattr=v9 < %s | FileCheck %s -check-prefix=V9
;RUN: llc -march=sparcv9 < %s | FileCheck %s -check-prefix=SPARC64
define i8* @frameaddr() nounwind readnone {
@@ -15,6 +16,13 @@ entry:
;V9: save %sp, -96, %sp
;V9: jmp %i7+8
;V9: restore %g0, %fp, %o0
;SPARC64-LABEL: frameaddr
;SPARC64: save %sp, -128, %sp
;SPARC64: add %fp, 2047, %i0
;SPARC64: jmp %i7+8
;SPARC64: restore %g0, %g0, %g0
%0 = tail call i8* @llvm.frameaddress(i32 0)
ret i8* %0
}
@@ -32,6 +40,14 @@ entry:
;V9: ld [%fp+56], {{.+}}
;V9: ld [{{.+}}+56], {{.+}}
;V9: ld [{{.+}}+56], {{.+}}
;SPARC64-LABEL: frameaddr2
;SPARC64: flushw
;SPARC64: ldx [%fp+2159], %[[R0:[goli][0-7]]]
;SPARC64: ldx [%[[R0]]+2159], %[[R1:[goli][0-7]]]
;SPARC64: ldx [%[[R1]]+2159], %[[R2:[goli][0-7]]]
;SPARC64: add %[[R2]], 2047, {{.+}}
%0 = tail call i8* @llvm.frameaddress(i32 3)
ret i8* %0
}
@@ -48,6 +64,9 @@ entry:
;V9-LABEL: retaddr:
;V9: or %g0, %o7, {{.+}}
;SPARC64-LABEL: retaddr
;SPARC64: or %g0, %o7, {{.+}}
%0 = tail call i8* @llvm.returnaddress(i32 0)
ret i8* %0
}
@@ -66,17 +85,11 @@ entry:
;V9: ld [{{.+}}+56], {{.+}}
;V9: ld [{{.+}}+60], {{.+}}
;V8LEAF-LABEL: retaddr2:
;V8LEAF: ta 3
;V8LEAF: ld [%fp+56], %[[R:[goli][0-7]]]
;V8LEAF: ld [%[[R]]+56], %[[R1:[goli][0-7]]]
;V8LEAF: ld [%[[R1]]+60], {{.+}}
;V9LEAF-LABEL: retaddr2:
;V9LEAF: flushw
;V9LEAF: ld [%fp+56], %[[R:[goli][0-7]]]
;V9LEAF: ld [%[[R]]+56], %[[R1:[goli][0-7]]]
;V9LEAF: ld [%[[R1]]+60], {{.+}}
;SPARC64-LABEL: retaddr2
;SPARC64: flushw
;SPARC64: ldx [%fp+2159], %[[R0:[goli][0-7]]]
;SPARC64: ldx [%[[R0]]+2159], %[[R1:[goli][0-7]]]
;SPARC64: ldx [%[[R1]]+2167], {{.+}}
%0 = tail call i8* @llvm.returnaddress(i32 3)
ret i8* %0