; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s define i64 @cmpxchg_0(ptr %ptr, i64 %compare, i64 %new_value) { ; CHECK-LABEL: @cmpxchg_0( ; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 [[COMPARE:%.*]], i64 [[NEW_VALUE:%.*]] seq_cst seq_cst, align 8 ; CHECK-NEXT: [[T2:%.*]] = extractvalue { i64, i1 } [[T0]], 0 ; CHECK-NEXT: ret i64 [[T2]] ; %t0 = cmpxchg ptr %ptr, i64 %compare, i64 %new_value seq_cst seq_cst %t1 = extractvalue { i64, i1 } %t0, 1 %t2 = extractvalue { i64, i1 } %t0, 0 %t3 = select i1 %t1, i64 %compare, i64 %t2 ret i64 %t3 } define i64 @cmpxchg_1(ptr %ptr, i64 %compare, i64 %new_value) { ; CHECK-LABEL: @cmpxchg_1( ; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 [[COMPARE:%.*]], i64 [[NEW_VALUE:%.*]] seq_cst seq_cst, align 8 ; CHECK-NEXT: ret i64 [[COMPARE]] ; %t0 = cmpxchg ptr %ptr, i64 %compare, i64 %new_value seq_cst seq_cst %t1 = extractvalue { i64, i1 } %t0, 1 %t2 = extractvalue { i64, i1 } %t0, 0 %t3 = select i1 %t1, i64 %t2, i64 %compare ret i64 %t3 } define i64 @cmpxchg_2(ptr %ptr, i64 %compare, i64 %new_value) { ; CHECK-LABEL: @cmpxchg_2( ; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 [[COMPARE:%.*]], i64 [[NEW_VALUE:%.*]] acq_rel monotonic, align 8 ; CHECK-NEXT: ret i64 [[COMPARE]] ; %t0 = cmpxchg ptr %ptr, i64 %compare, i64 %new_value acq_rel monotonic %t1 = extractvalue { i64, i1 } %t0, 1 %t2 = extractvalue { i64, i1 } %t0, 0 %t3 = select i1 %t1, i64 %compare, i64 %t2 %t4 = select i1 %t1, i64 %t3, i64 %compare ret i64 %t4 }