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AArch64/ARM/PPC/X86: Add some atomic tests (#92933)
FP typed atomic load/store coverage was mostly missing, especially for half and bfloat.
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‎llvm/test/CodeGen/AArch64/Atomics/aarch64-atomic-load-lse2.ll‎

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Original file line numberDiff line numberDiff line change
@@ -566,6 +566,119 @@ define dso_local i128 @load_atomic_i128_unaligned_seq_cst_const(ptr readonly %pt
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%r = load atomic i128, ptr %ptr seq_cst, align 1
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ret i128 %r
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}
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define dso_local half @load_atomic_f16_aligned_unordered(ptr %ptr) {
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; CHECK-LABEL: load_atomic_f16_aligned_unordered:
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; CHECK: ldrh w8, [x0]
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%r = load atomic half, ptr %ptr unordered, align 2
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ret half %r
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}
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define dso_local half @load_atomic_f16_aligned_unordered_const(ptr readonly %ptr) {
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; CHECK-LABEL: load_atomic_f16_aligned_unordered_const:
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; CHECK: ldrh w8, [x0]
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%r = load atomic half, ptr %ptr unordered, align 2
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ret half %r
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}
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define dso_local half @load_atomic_f16_aligned_monotonic(ptr %ptr) {
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; CHECK-LABEL: load_atomic_f16_aligned_monotonic:
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; CHECK: ldrh w8, [x0]
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%r = load atomic half, ptr %ptr monotonic, align 2
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ret half %r
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}
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define dso_local half @load_atomic_f16_aligned_monotonic_const(ptr readonly %ptr) {
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; CHECK-LABEL: load_atomic_f16_aligned_monotonic_const:
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; CHECK: ldrh w8, [x0]
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%r = load atomic half, ptr %ptr monotonic, align 2
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ret half %r
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}
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define dso_local half @load_atomic_f16_aligned_acquire(ptr %ptr) {
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; CHECK-LABEL: load_atomic_f16_aligned_acquire:
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; CHECK: ldarh w8, [x0]
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%r = load atomic half, ptr %ptr acquire, align 2
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ret half %r
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}
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define dso_local half @load_atomic_f16_aligned_acquire_const(ptr readonly %ptr) {
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; CHECK-LABEL: load_atomic_f16_aligned_acquire_const:
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; CHECK: ldarh w8, [x0]
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%r = load atomic half, ptr %ptr acquire, align 2
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ret half %r
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}
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define dso_local half @load_atomic_f16_aligned_seq_cst(ptr %ptr) {
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; CHECK-LABEL: load_atomic_f16_aligned_seq_cst:
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; CHECK: ldarh w8, [x0]
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%r = load atomic half, ptr %ptr seq_cst, align 2
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ret half %r
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}
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define dso_local half @load_atomic_f16_aligned_seq_cst_const(ptr readonly %ptr) {
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; CHECK-LABEL: load_atomic_f16_aligned_seq_cst_const:
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; CHECK: ldarh w8, [x0]
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%r = load atomic half, ptr %ptr seq_cst, align 2
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ret half %r
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}
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define dso_local bfloat @load_atomic_bf16_aligned_unordered(ptr %ptr) {
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; CHECK-LABEL: load_atomic_bf16_aligned_unordered:
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; CHECK: ldrh w8, [x0]
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%r = load atomic bfloat, ptr %ptr unordered, align 2
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ret bfloat %r
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}
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define dso_local bfloat @load_atomic_bf16_aligned_unordered_const(ptr readonly %ptr) {
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; CHECK-LABEL: load_atomic_bf16_aligned_unordered_const:
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; CHECK: ldrh w8, [x0]
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%r = load atomic bfloat, ptr %ptr unordered, align 2
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ret bfloat %r
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}
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define dso_local bfloat @load_atomic_bf16_aligned_monotonic(ptr %ptr) {
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; CHECK-LABEL: load_atomic_bf16_aligned_monotonic:
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; CHECK: ldrh w8, [x0]
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%r = load atomic bfloat, ptr %ptr monotonic, align 2
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ret bfloat %r
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}
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define dso_local bfloat @load_atomic_bf16_aligned_monotonic_const(ptr readonly %ptr) {
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; CHECK-LABEL: load_atomic_bf16_aligned_monotonic_const:
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; CHECK: ldrh w8, [x0]
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%r = load atomic bfloat, ptr %ptr monotonic, align 2
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ret bfloat %r
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}
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define dso_local bfloat @load_atomic_bf16_aligned_acquire(ptr %ptr) {
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; CHECK-LABEL: load_atomic_bf16_aligned_acquire:
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; CHECK: ldarh w8, [x0]
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%r = load atomic bfloat, ptr %ptr acquire, align 2
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ret bfloat %r
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}
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define dso_local bfloat @load_atomic_bf16_aligned_acquire_const(ptr readonly %ptr) {
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; CHECK-LABEL: load_atomic_bf16_aligned_acquire_const:
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; CHECK: ldarh w8, [x0]
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%r = load atomic bfloat, ptr %ptr acquire, align 2
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ret bfloat %r
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}
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define dso_local bfloat @load_atomic_bf16_aligned_seq_cst(ptr %ptr) {
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; CHECK-LABEL: load_atomic_bf16_aligned_seq_cst:
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; CHECK: ldarh w8, [x0]
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%r = load atomic bfloat, ptr %ptr seq_cst, align 2
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ret bfloat %r
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}
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define dso_local bfloat @load_atomic_bf16_aligned_seq_cst_const(ptr readonly %ptr) {
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; CHECK-LABEL: load_atomic_bf16_aligned_seq_cst_const:
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; CHECK: ldarh w8, [x0]
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%r = load atomic bfloat, ptr %ptr seq_cst, align 2
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ret bfloat %r
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}
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;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
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; -O0: {{.*}}
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; -O1: {{.*}}

‎llvm/test/CodeGen/AArch64/relaxed-fp-atomics.ll‎

Lines changed: 90 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -91,4 +91,94 @@ define void @atomic_store_relaxed_f64(ptr %p, i32 %off32, i64 %off64, double %va
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ret void
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}
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define half @atomic_load_relaxed_f16(ptr %p, i32 %off32, i64 %off64) #0 {
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; CHECK-LABEL: atomic_load_relaxed_f16:
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%ptr_unsigned = getelementptr half, ptr %p, i32 4095
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%val_unsigned = load atomic half, ptr %ptr_unsigned monotonic, align 4
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; CHECK: ldrh {{w[0-9]+}}, [x0, #8190]
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%ptr_regoff = getelementptr half, ptr %p, i32 %off32
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%val_regoff = load atomic half, ptr %ptr_regoff unordered, align 4
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%tot1 = fadd half %val_unsigned, %val_regoff
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; CHECK: ldrh {{w[0-9]+}}, [x0, w1, sxtw #1]
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%ptr_regoff64 = getelementptr half, ptr %p, i64 %off64
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%val_regoff64 = load atomic half, ptr %ptr_regoff64 monotonic, align 4
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%tot2 = fadd half %tot1, %val_regoff64
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; CHECK: ldrh {{w[0-9]+}}, [x0, x2, lsl #1]
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%ptr_unscaled = getelementptr half, ptr %p, i32 -64
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%val_unscaled = load atomic half, ptr %ptr_unscaled unordered, align 4
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%tot3 = fadd half %tot2, %val_unscaled
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; CHECK: ldurh {{w[0-9]+}}, [x0, #-128]
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ret half %tot3
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}
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define bfloat @atomic_load_relaxed_bf16(ptr %p, i32 %off32, i64 %off64) #0 {
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; CHECK-LABEL: atomic_load_relaxed_bf16:
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%ptr_unsigned = getelementptr bfloat, ptr %p, i32 4095
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%val_unsigned = load atomic bfloat, ptr %ptr_unsigned monotonic, align 4
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; CHECK: ldrh {{w[0-9]+}}, [x0, #8190]
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%ptr_regoff = getelementptr bfloat, ptr %p, i32 %off32
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%val_regoff = load atomic bfloat, ptr %ptr_regoff unordered, align 4
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%tot1 = fadd bfloat %val_unsigned, %val_regoff
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; CHECK: ldrh {{w[0-9]+}}, [x0, w1, sxtw #1]
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%ptr_regoff64 = getelementptr bfloat, ptr %p, i64 %off64
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%val_regoff64 = load atomic bfloat, ptr %ptr_regoff64 monotonic, align 4
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%tot2 = fadd bfloat %tot1, %val_regoff64
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; CHECK: ldrh {{w[0-9]+}}, [x0, x2, lsl #1]
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%ptr_unscaled = getelementptr bfloat, ptr %p, i32 -64
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%val_unscaled = load atomic bfloat, ptr %ptr_unscaled unordered, align 4
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%tot3 = fadd bfloat %tot2, %val_unscaled
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; CHECK: ldurh {{w[0-9]+}}, [x0, #-128]
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ret bfloat %tot3
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}
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define void @atomic_store_relaxed_f16(ptr %p, i32 %off32, i64 %off64, half %val) #0 {
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; CHECK-LABEL: atomic_store_relaxed_f16:
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%ptr_unsigned = getelementptr half, ptr %p, i32 4095
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store atomic half %val, ptr %ptr_unsigned monotonic, align 4
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; CHECK: strh {{w[0-9]+}}, [x0, #8190]
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%ptr_regoff = getelementptr half, ptr %p, i32 %off32
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store atomic half %val, ptr %ptr_regoff unordered, align 4
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; CHECK: strh {{w[0-9]+}}, [x0, w1, sxtw #1]
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%ptr_regoff64 = getelementptr half, ptr %p, i64 %off64
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store atomic half %val, ptr %ptr_regoff64 monotonic, align 4
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; CHECK: strh {{w[0-9]+}}, [x0, x2, lsl #1]
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%ptr_unscaled = getelementptr half, ptr %p, i32 -64
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store atomic half %val, ptr %ptr_unscaled unordered, align 4
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; CHECK: sturh {{w[0-9]+}}, [x0, #-128]
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ret void
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}
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define void @atomic_store_relaxed_bf16(ptr %p, i32 %off32, i64 %off64, bfloat %val) #0 {
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; CHECK-LABEL: atomic_store_relaxed_bf16:
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%ptr_unsigned = getelementptr bfloat, ptr %p, i32 4095
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store atomic bfloat %val, ptr %ptr_unsigned monotonic, align 4
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; CHECK: strh {{w[0-9]+}}, [x0, #8190]
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%ptr_regoff = getelementptr bfloat, ptr %p, i32 %off32
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store atomic bfloat %val, ptr %ptr_regoff unordered, align 4
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; CHECK: strh {{w[0-9]+}}, [x0, w1, sxtw #1]
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%ptr_regoff64 = getelementptr bfloat, ptr %p, i64 %off64
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store atomic bfloat %val, ptr %ptr_regoff64 monotonic, align 4
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; CHECK: strh {{w[0-9]+}}, [x0, x2, lsl #1]
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%ptr_unscaled = getelementptr bfloat, ptr %p, i32 -64
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store atomic bfloat %val, ptr %ptr_unscaled unordered, align 4
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; CHECK: sturh {{w[0-9]+}}, [x0, #-128]
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ret void
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}
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attributes #0 = { nounwind }

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