49 lines
1.8 KiB
LLVM
49 lines
1.8 KiB
LLVM
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; RUN: llc -march=mipsel -mattr=mips16 -relocation-model=pic -O3 < %s | FileCheck %s -check-prefix=16
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@.str = private unnamed_addr constant [8 x i8] c"%d, %d\0A\00", align 1
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define i32 @foo(ptr %mem, i32 %val, i32 %c) nounwind {
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entry:
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%0 = atomicrmw add ptr %mem, i32 %val seq_cst
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%add = add nsw i32 %0, %c
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ret i32 %add
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; 16-LABEL: foo:
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; 16: lw ${{[0-9]+}}, %call16(__sync_synchronize)(${{[0-9]+}})
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; 16: lw ${{[0-9]+}}, %call16(__sync_fetch_and_add_4)(${{[0-9]+}})
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}
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define i32 @atomic_load_sub(ptr %mem, i32 %val, i32 %c) nounwind {
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; 16-LABEL: atomic_load_sub:
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; 16: lw ${{[0-9]+}}, %call16(__sync_synchronize)(${{[0-9]+}})
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; 16: lw ${{[0-9]+}}, %call16(__sync_fetch_and_sub_4)(${{[0-9]+}})
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entry:
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%0 = atomicrmw sub ptr %mem, i32 %val seq_cst
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ret i32 %0
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}
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define i32 @main() nounwind {
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entry:
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%x = alloca i32, align 4
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store volatile i32 0, ptr %x, align 4
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%0 = atomicrmw add ptr %x, i32 1 seq_cst
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%add.i = add nsw i32 %0, 2
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%1 = load volatile i32, ptr %x, align 4
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%call1 = call i32 (ptr, ...) @printf(ptr @.str, i32 %add.i, i32 %1) nounwind
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%pair = cmpxchg ptr %x, i32 1, i32 2 seq_cst seq_cst
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%2 = extractvalue { i32, i1 } %pair, 0
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%3 = load volatile i32, ptr %x, align 4
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%call2 = call i32 (ptr, ...) @printf(ptr @.str, i32 %2, i32 %3) nounwind
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%4 = atomicrmw xchg ptr %x, i32 1 seq_cst
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%5 = load volatile i32, ptr %x, align 4
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%call3 = call i32 (ptr, ...) @printf(ptr @.str, i32 %4, i32 %5) nounwind
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; 16-LABEL: main:
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; 16: lw ${{[0-9]+}}, %call16(__sync_synchronize)(${{[0-9]+}})
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; 16: lw ${{[0-9]+}}, %call16(__sync_fetch_and_add_4)(${{[0-9]+}})
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; 16: lw ${{[0-9]+}}, %call16(__sync_val_compare_and_swap_4)(${{[0-9]+}})
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; 16: lw ${{[0-9]+}}, %call16(__sync_lock_test_and_set_4)(${{[0-9]+}})
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ret i32 0
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}
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declare i32 @printf(ptr nocapture, ...) nounwind
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