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      1 ; RUN: llc < %s -march=xcore | FileCheck %s
      2 
      3 ; CHECK-LABEL: atomic_fence
      4 ; CHECK: #MEMBARRIER
      5 ; CHECK: #MEMBARRIER
      6 ; CHECK: #MEMBARRIER
      7 ; CHECK: #MEMBARRIER
      8 ; CHECK: retsp 0
      9 define void @atomic_fence() nounwind {
     10 entry:
     11   fence acquire
     12   fence release
     13   fence acq_rel
     14   fence seq_cst
     15   ret void
     16 }
     17 
     18 @pool = external global i64
     19 
     20 define void @atomicloadstore() nounwind {
     21 entry:
     22 ; CHECK-LABEL: atomicloadstore
     23 
     24 ; CHECK: ldw r[[R0:[0-9]+]], dp[pool]
     25 ; CHECK-NEXT: ldaw r[[R1:[0-9]+]], dp[pool]
     26 ; CHECK-NEXT: #MEMBARRIER
     27 ; CHECK-NEXT: ldc r[[R2:[0-9]+]], 0
     28   %0 = load atomic i32, i32* bitcast (i64* @pool to i32*) acquire, align 4
     29 
     30 ; CHECK-NEXT: ld16s r3, r[[R1]][r[[R2]]]
     31 ; CHECK-NEXT: #MEMBARRIER
     32   %1 = load atomic i16, i16* bitcast (i64* @pool to i16*) acquire, align 2
     33 
     34 ; CHECK-NEXT: ld8u r11, r[[R1]][r[[R2]]]
     35 ; CHECK-NEXT: #MEMBARRIER
     36   %2 = load atomic i8, i8* bitcast (i64* @pool to i8*) acquire, align 1
     37 
     38 ; CHECK-NEXT: ldw r4, dp[pool]
     39 ; CHECK-NEXT: #MEMBARRIER
     40   %3 = load atomic i32, i32* bitcast (i64* @pool to i32*) seq_cst, align 4
     41 
     42 ; CHECK-NEXT: ld16s r5, r[[R1]][r[[R2]]]
     43 ; CHECK-NEXT: #MEMBARRIER
     44   %4 = load atomic i16, i16* bitcast (i64* @pool to i16*) seq_cst, align 2
     45 
     46 ; CHECK-NEXT: ld8u r6, r[[R1]][r[[R2]]]
     47 ; CHECK-NEXT: #MEMBARRIER
     48   %5 = load atomic i8, i8* bitcast (i64* @pool to i8*) seq_cst, align 1
     49 
     50 ; CHECK-NEXT: #MEMBARRIER
     51 ; CHECK-NEXT: stw r[[R0]], dp[pool]
     52   store atomic i32 %0, i32* bitcast (i64* @pool to i32*) release, align 4
     53 
     54 ; CHECK-NEXT: #MEMBARRIER
     55 ; CHECK-NEXT: st16 r3, r[[R1]][r[[R2]]]
     56   store atomic i16 %1, i16* bitcast (i64* @pool to i16*) release, align 2
     57 
     58 ; CHECK-NEXT: #MEMBARRIER
     59 ; CHECK-NEXT: st8 r11, r[[R1]][r[[R2]]]
     60   store atomic i8 %2, i8* bitcast (i64* @pool to i8*) release, align 1
     61 
     62 ; CHECK-NEXT: #MEMBARRIER
     63 ; CHECK-NEXT: stw r4, dp[pool]
     64 ; CHECK-NEXT: #MEMBARRIER
     65   store atomic i32 %3, i32* bitcast (i64* @pool to i32*) seq_cst, align 4
     66 
     67 ; CHECK-NEXT: #MEMBARRIER
     68 ; CHECK-NEXT: st16 r5, r[[R1]][r[[R2]]]
     69 ; CHECK-NEXT: #MEMBARRIER
     70   store atomic i16 %4, i16* bitcast (i64* @pool to i16*) seq_cst, align 2
     71 
     72 ; CHECK-NEXT: #MEMBARRIER
     73 ; CHECK-NEXT: st8 r6, r[[R1]][r[[R2]]]
     74 ; CHECK-NEXT: #MEMBARRIER
     75   store atomic i8 %5, i8* bitcast (i64* @pool to i8*) seq_cst, align 1
     76 
     77 ; CHECK-NEXT: ldw r[[R0]], dp[pool]
     78 ; CHECK-NEXT: stw r[[R0]], dp[pool]
     79 ; CHECK-NEXT: ld16s r[[R0]], r[[R1]][r[[R2]]]
     80 ; CHECK-NEXT: st16 r[[R0]], r[[R1]][r[[R2]]]
     81 ; CHECK-NEXT: ld8u r[[R0]], r[[R1]][r[[R2]]]
     82 ; CHECK-NEXT: st8 r[[R0]], r[[R1]][r[[R2]]]
     83   %6 = load atomic i32, i32* bitcast (i64* @pool to i32*) monotonic, align 4
     84   store atomic i32 %6, i32* bitcast (i64* @pool to i32*) monotonic, align 4
     85   %7 = load atomic i16, i16* bitcast (i64* @pool to i16*) monotonic, align 2
     86   store atomic i16 %7, i16* bitcast (i64* @pool to i16*) monotonic, align 2
     87   %8 = load atomic i8, i8* bitcast (i64* @pool to i8*) monotonic, align 1
     88   store atomic i8 %8, i8* bitcast (i64* @pool to i8*) monotonic, align 1
     89 
     90   ret void
     91 }
     92