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llvm-6502/test/CodeGen/XCore/atomic.ll

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Add XCore support for ATOMIC_FENCE. ATOMIC_FENCE is lowered to a compiler barrier which is codegen only. There is no need to emit an instructions since the XCore provides sequential consistency. Original patch by Richard Osborne git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194464 91177308-0d34-0410-b5e6-96231b3b80d8
2013-11-12 10:11:26 +00:00
; RUN: llc < %s -march=xcore | FileCheck %s
; CHECK-LABEL: atomic_fence
; CHECK: #MEMBARRIER
; CHECK: #MEMBARRIER
; CHECK: #MEMBARRIER
; CHECK: #MEMBARRIER
; CHECK: retsp 0
define void @atomic_fence() nounwind {
entry:
fence acquire
fence release
fence acq_rel
fence seq_cst
ret void
}
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
@pool = external global i64
define void @atomicloadstore() nounwind {
entry:
; CHECK-LABEL: atomicloadstore
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK: ldw r[[R0:[0-9]+]], dp[pool]
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
; CHECK-NEXT: #MEMBARRIER
%0 = load atomic i32* bitcast (i64* @pool to i32*) acquire, align 4
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK-NEXT: ldaw r[[R1:[0-9]+]], dp[pool]
; CHECK-NEXT: ldc r[[R2:[0-9]+]], 0
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK-NEXT: ld16s r3, r[[R1]][r[[R2]]]
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
; CHECK-NEXT: #MEMBARRIER
%1 = load atomic i16* bitcast (i64* @pool to i16*) acquire, align 2
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK-NEXT: ld8u r11, r[[R1]][r[[R2]]]
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
; CHECK-NEXT: #MEMBARRIER
%2 = load atomic i8* bitcast (i64* @pool to i8*) acquire, align 1
; CHECK-NEXT: ldw r4, dp[pool]
; CHECK-NEXT: #MEMBARRIER
%3 = load atomic i32* bitcast (i64* @pool to i32*) seq_cst, align 4
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK-NEXT: ld16s r5, r[[R1]][r[[R2]]]
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
; CHECK-NEXT: #MEMBARRIER
%4 = load atomic i16* bitcast (i64* @pool to i16*) seq_cst, align 2
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK-NEXT: ld8u r6, r[[R1]][r[[R2]]]
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
; CHECK-NEXT: #MEMBARRIER
%5 = load atomic i8* bitcast (i64* @pool to i8*) seq_cst, align 1
; CHECK-NEXT: #MEMBARRIER
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK-NEXT: stw r[[R0]], dp[pool]
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
store atomic i32 %0, i32* bitcast (i64* @pool to i32*) release, align 4
; CHECK-NEXT: #MEMBARRIER
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK-NEXT: st16 r3, r[[R1]][r[[R2]]]
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
store atomic i16 %1, i16* bitcast (i64* @pool to i16*) release, align 2
; CHECK-NEXT: #MEMBARRIER
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK-NEXT: st8 r11, r[[R1]][r[[R2]]]
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
store atomic i8 %2, i8* bitcast (i64* @pool to i8*) release, align 1
; CHECK-NEXT: #MEMBARRIER
; CHECK-NEXT: stw r4, dp[pool]
; CHECK-NEXT: #MEMBARRIER
store atomic i32 %3, i32* bitcast (i64* @pool to i32*) seq_cst, align 4
; CHECK-NEXT: #MEMBARRIER
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK-NEXT: st16 r5, r[[R1]][r[[R2]]]
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
; CHECK-NEXT: #MEMBARRIER
store atomic i16 %4, i16* bitcast (i64* @pool to i16*) seq_cst, align 2
; CHECK-NEXT: #MEMBARRIER
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK-NEXT: st8 r6, r[[R1]][r[[R2]]]
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
; CHECK-NEXT: #MEMBARRIER
store atomic i8 %5, i8* bitcast (i64* @pool to i8*) seq_cst, align 1
Use regnum regex in an XCore test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202315 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-26 23:22:49 +00:00
; CHECK-NEXT: ldw r[[R0]], dp[pool]
; CHECK-NEXT: stw r[[R0]], dp[pool]
; CHECK-NEXT: ld16s r[[R0]], r[[R1]][r[[R2]]]
; CHECK-NEXT: st16 r[[R0]], r[[R1]][r[[R2]]]
; CHECK-NEXT: ld8u r[[R0]], r[[R1]][r[[R2]]]
; CHECK-NEXT: st8 r[[R0]], r[[R1]][r[[R2]]]
XCore target: Lower ATOMIC_LOAD & ATOMIC_STORE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201143 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 10:36:18 +00:00
%6 = load atomic i32* bitcast (i64* @pool to i32*) monotonic, align 4
store atomic i32 %6, i32* bitcast (i64* @pool to i32*) monotonic, align 4
%7 = load atomic i16* bitcast (i64* @pool to i16*) monotonic, align 2
store atomic i16 %7, i16* bitcast (i64* @pool to i16*) monotonic, align 2
%8 = load atomic i8* bitcast (i64* @pool to i8*) monotonic, align 1
store atomic i8 %8, i8* bitcast (i64* @pool to i8*) monotonic, align 1
ret void
}
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