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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Mips/atomicops.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

49 lines
1.8 KiB
LLVM

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