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 %t 2; RUN: FileCheck -check-prefixes=RESULT,CHECK %s < %t 3 4; CHECK-LABEL: @load_atomic_keep( 5; INTERESTING: seq_cst 6; RESULT: %op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 4 7define i32 @load_atomic_keep(ptr %ptr) { 8 %op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 4 9 ret i32 %op 10} 11 12; CHECK-LABEL: @load_atomic_drop( 13; INTERESTING: load 14; RESULT: %op = load i32, ptr %ptr, align 4 15define i32 @load_atomic_drop(ptr %ptr) { 16 %op = load atomic i32, ptr %ptr syncscope("agent") seq_cst, align 4 17 ret i32 %op 18} 19 20; CHECK-LABEL: @store_atomic_keep( 21; INTERESTING: syncscope("agent") 22; RESULT: store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 4 23define void @store_atomic_keep(ptr %ptr) { 24 store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 4 25 ret void 26} 27 28; CHECK-LABEL: @store_atomic_drop( 29; INTERESTING: store 30; RESULT: store i32 0, ptr %ptr, align 4 31define void @store_atomic_drop(ptr %ptr) { 32 store atomic i32 0, ptr %ptr syncscope("agent") seq_cst, align 4 33 ret void 34} 35 36; CHECK-LABEL: @atomicrmw_atomic_seq_cst_keep( 37; INTERESTING: seq_cst 38; RESULT: %val = atomicrmw add ptr %ptr, i32 3 syncscope("agent") seq_cst, align 4 39define i32 @atomicrmw_atomic_seq_cst_keep(ptr %ptr) { 40 %val = atomicrmw add ptr %ptr, i32 3 syncscope("agent") seq_cst, align 4 41 ret i32 %val 42} 43 44; CHECK-LABEL: @atomicrmw_atomic_seq_cst_drop( 45; INTERESTING: atomicrmw 46; RESULT: %val = atomicrmw add ptr %ptr, i32 3 monotonic, align 4 47define i32 @atomicrmw_atomic_seq_cst_drop(ptr %ptr) { 48 %val = atomicrmw add ptr %ptr, i32 3 seq_cst 49 ret i32 %val 50} 51 52; CHECK-LABEL: @cmpxchg_atomic_seq_cst_seq_cst_keep( 53; INTERESTING: seq_cst seq_cst 54; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst seq_cst, align 4 55define { 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_cst 57 ret { i32, i1 } %val 58} 59 60; CHECK-LABEL: @cmpxchg_seq_cst_seq_cst_keep_left( 61; INTERESTING: syncscope("agent") seq_cst 62; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") seq_cst monotonic, align 4 63define { 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_cst 65 ret { i32, i1 } %val 66} 67 68; CHECK-LABEL: @cmpxchg_seq_cst_seq_cst_keep_right( 69; INTERESTING: seq_cst, align 4 70; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") monotonic seq_cst, align 4 71define { 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 4 73 ret { i32, i1 } %val 74} 75 76; CHECK-LABEL: @cmpxchg_seq_cst_seq_cst_drop( 77; INTERESTING: = cmpxchg ptr 78; RESULT: %val = cmpxchg ptr %ptr, i32 %old, i32 %in syncscope("agent") monotonic monotonic, align 4 79define { 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_cst 81 ret { i32, i1 } %val 82} 83