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83 lines
3.2 KiB
LLVM
83 lines
3.2 KiB
LLVM
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; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=atomic-ordering --test FileCheck --test-arg --check-prefixes=INTERESTING,CHECK --test-arg %s --test-arg --input-file %s -o %t
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; RUN: FileCheck -check-prefixes=RESULT,CHECK %s < %t
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; CHECK-LABEL: @load_atomic_keep(
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; INTERESTING: seq_cst
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; RESULT: %op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 4
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define i32 @load_atomic_keep(ptr %ptr) {
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%op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 4
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ret i32 %op
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}
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; CHECK-LABEL: @load_atomic_drop(
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; INTERESTING: load
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; RESULT: %op = load i32, ptr %ptr, align 4
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define i32 @load_atomic_drop(ptr %ptr) {
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%op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 4
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ret i32 %op
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}
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; CHECK-LABEL: @store_atomic_keep(
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; INTERESTING: syncscope("agent")
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; RESULT: store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 4
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define void @store_atomic_keep(ptr %ptr) {
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store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 4
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ret void
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}
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; CHECK-LABEL: @store_atomic_drop(
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; INTERESTING: store
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; RESULT: store i32 0, ptr %ptr, align 4
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define void @store_atomic_drop(ptr %ptr) {
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store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 4
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ret void
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}
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; CHECK-LABEL: @atomicrmw_atomic_seq_cst_keep(
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; INTERESTING: seq_cst
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; RESULT: %val = atomicrmw add ptr %ptr, i32 3 syncscope("agent") seq_cst, align 4
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define i32 @atomicrmw_atomic_seq_cst_keep(ptr %ptr) {
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%val = atomicrmw add ptr %ptr, i32 3 syncscope("agent") seq_cst, align 4
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ret i32 %val
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}
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; CHECK-LABEL: @atomicrmw_atomic_seq_cst_drop(
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; INTERESTING: atomicrmw
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; RESULT: %val = atomicrmw add ptr %ptr, i32 3 monotonic, align 4
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define i32 @atomicrmw_atomic_seq_cst_drop(ptr %ptr) {
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%val = atomicrmw add ptr %ptr, i32 3 seq_cst
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ret i32 %val
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}
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; CHECK-LABEL: @cmpxchg_atomic_seq_cst_seq_cst_keep(
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; INTERESTING: seq_cst seq_cst
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; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst, align 4
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define { i32, i1 } @cmpxchg_atomic_seq_cst_seq_cst_keep(ptr %ptr, i32 %old, i32 %in) {
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%val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst
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ret { i32, i1 } %val
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}
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; CHECK-LABEL: @cmpxchg_seq_cst_seq_cst_keep_left(
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; INTERESTING: syncscope("agent") seq_cst
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; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst monotonic, align 4
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define { i32, i1 } @cmpxchg_seq_cst_seq_cst_keep_left(ptr %ptr, i32 %old, i32 %in) {
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%val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst
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ret { i32, i1 } %val
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}
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; CHECK-LABEL: @cmpxchg_seq_cst_seq_cst_keep_right(
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; INTERESTING: seq_cst, align 4
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; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") monotonic seq_cst, align 4
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define { i32, i1 } @cmpxchg_seq_cst_seq_cst_keep_right(ptr %ptr, i32 %old, i32 %in) {
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%val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst, align 4
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ret { i32, i1 } %val
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}
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; CHECK-LABEL: @cmpxchg_seq_cst_seq_cst_drop(
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; INTERESTING: = cmpxchg ptr
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; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") monotonic monotonic, align 4
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define { i32, i1 } @cmpxchg_seq_cst_seq_cst_drop(ptr %ptr, i32 %old, i32 %in) {
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%val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst
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ret { i32, i1 } %val
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}
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