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1; 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 %t2; RUN: FileCheck -check-prefixes=RESULT,CHECK %s < %t3 4; CHECK-LABEL: @load_atomic_keep(5; INTERESTING: seq_cst6; RESULT: %op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 47define i32 @load_atomic_keep(ptr %ptr) {8 %op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 49 ret i32 %op10}11 12; CHECK-LABEL: @load_atomic_drop(13; INTERESTING: load14; RESULT: %op = load i32, ptr %ptr, align 415define i32 @load_atomic_drop(ptr %ptr) {16 %op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 417 ret i32 %op18}19 20; CHECK-LABEL: @store_atomic_keep(21; INTERESTING: syncscope("agent")22; RESULT: store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 423define void @store_atomic_keep(ptr %ptr) {24 store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 425 ret void26}27 28; CHECK-LABEL: @store_atomic_drop(29; INTERESTING: store30; RESULT: store i32 0, ptr %ptr, align 431define void @store_atomic_drop(ptr %ptr) {32 store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 433 ret void34}35 36; CHECK-LABEL: @atomicrmw_atomic_seq_cst_keep(37; INTERESTING: seq_cst38; RESULT: %val = atomicrmw add ptr %ptr, i32 3 syncscope("agent") seq_cst, align 439define i32 @atomicrmw_atomic_seq_cst_keep(ptr %ptr) {40 %val = atomicrmw add ptr %ptr, i32 3 syncscope("agent") seq_cst, align 441 ret i32 %val42}43 44; CHECK-LABEL: @atomicrmw_atomic_seq_cst_drop(45; INTERESTING: atomicrmw46; RESULT: %val = atomicrmw add ptr %ptr, i32 3 monotonic, align 447define i32 @atomicrmw_atomic_seq_cst_drop(ptr %ptr) {48 %val = atomicrmw add ptr %ptr, i32 3 seq_cst49 ret i32 %val50}51 52; CHECK-LABEL: @cmpxchg_atomic_seq_cst_seq_cst_keep(53; INTERESTING: seq_cst seq_cst54; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst, align 455define { i32, i1 } @cmpxchg_atomic_seq_cst_seq_cst_keep(ptr %ptr, i32 %old, i32 %in) {56 %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst57 ret { i32, i1 } %val58}59 60; CHECK-LABEL: @cmpxchg_seq_cst_seq_cst_keep_left(61; INTERESTING: syncscope("agent") seq_cst62; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst monotonic, align 463define { i32, i1 } @cmpxchg_seq_cst_seq_cst_keep_left(ptr %ptr, i32 %old, i32 %in) {64 %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst65 ret { i32, i1 } %val66}67 68; CHECK-LABEL: @cmpxchg_seq_cst_seq_cst_keep_right(69; INTERESTING: seq_cst, align 470; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") monotonic seq_cst, align 471define { i32, i1 } @cmpxchg_seq_cst_seq_cst_keep_right(ptr %ptr, i32 %old, i32 %in) {72 %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst, align 473 ret { i32, i1 } %val74}75 76; CHECK-LABEL: @cmpxchg_seq_cst_seq_cst_drop(77; INTERESTING: = cmpxchg ptr78; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") monotonic monotonic, align 479define { i32, i1 } @cmpxchg_seq_cst_seq_cst_drop(ptr %ptr, i32 %old, i32 %in) {80 %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst81 ret { i32, i1 } %val82}83