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; 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
}
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