41 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -passes=instcombine -S | FileCheck %s3 4define i64 @cmpxchg_0(ptr %ptr, i64 %compare, i64 %new_value) {5; CHECK-LABEL: @cmpxchg_0(6; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 [[COMPARE:%.*]], i64 [[NEW_VALUE:%.*]] seq_cst seq_cst, align 87; CHECK-NEXT: [[T2:%.*]] = extractvalue { i64, i1 } [[T0]], 08; CHECK-NEXT: ret i64 [[T2]]9;10 %t0 = cmpxchg ptr %ptr, i64 %compare, i64 %new_value seq_cst seq_cst11 %t1 = extractvalue { i64, i1 } %t0, 112 %t2 = extractvalue { i64, i1 } %t0, 013 %t3 = select i1 %t1, i64 %compare, i64 %t214 ret i64 %t315}16 17define i64 @cmpxchg_1(ptr %ptr, i64 %compare, i64 %new_value) {18; CHECK-LABEL: @cmpxchg_1(19; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 [[COMPARE:%.*]], i64 [[NEW_VALUE:%.*]] seq_cst seq_cst, align 820; CHECK-NEXT: ret i64 [[COMPARE]]21;22 %t0 = cmpxchg ptr %ptr, i64 %compare, i64 %new_value seq_cst seq_cst23 %t1 = extractvalue { i64, i1 } %t0, 124 %t2 = extractvalue { i64, i1 } %t0, 025 %t3 = select i1 %t1, i64 %t2, i64 %compare26 ret i64 %t327}28 29define i64 @cmpxchg_2(ptr %ptr, i64 %compare, i64 %new_value) {30; CHECK-LABEL: @cmpxchg_2(31; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 [[COMPARE:%.*]], i64 [[NEW_VALUE:%.*]] acq_rel monotonic, align 832; CHECK-NEXT: ret i64 [[COMPARE]]33;34 %t0 = cmpxchg ptr %ptr, i64 %compare, i64 %new_value acq_rel monotonic35 %t1 = extractvalue { i64, i1 } %t0, 136 %t2 = extractvalue { i64, i1 } %t0, 037 %t3 = select i1 %t1, i64 %compare, i64 %t238 %t4 = select i1 %t1, i64 %t3, i64 %compare39 ret i64 %t440}41