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-rw-r--r--compiler/rustc_codegen_ssa/src/mir/intrinsic.rs4
-rw-r--r--compiler/rustc_codegen_ssa/src/traits/builder.rs2
2 files changed, 2 insertions, 4 deletions
diff --git a/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs b/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs
index 533803ea7ff..8530bf9e2b3 100644
--- a/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs
@@ -335,7 +335,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
                                 cmp = bx.ptrtoint(cmp, bx.type_isize());
                                 src = bx.ptrtoint(src, bx.type_isize());
                             }
-                            let pair = bx.atomic_cmpxchg(
+                            let (val, success) = bx.atomic_cmpxchg(
                                 dst,
                                 cmp,
                                 src,
@@ -343,8 +343,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
                                 parse_ordering(bx, failure),
                                 weak,
                             );
-                            let val = bx.extract_value(pair, 0);
-                            let success = bx.extract_value(pair, 1);
                             let val = bx.from_immediate(val);
                             let success = bx.from_immediate(success);
 
diff --git a/compiler/rustc_codegen_ssa/src/traits/builder.rs b/compiler/rustc_codegen_ssa/src/traits/builder.rs
index aa411f002a0..1c5c78e6ca2 100644
--- a/compiler/rustc_codegen_ssa/src/traits/builder.rs
+++ b/compiler/rustc_codegen_ssa/src/traits/builder.rs
@@ -296,7 +296,7 @@ pub trait BuilderMethods<'a, 'tcx>:
         order: AtomicOrdering,
         failure_order: AtomicOrdering,
         weak: bool,
-    ) -> Self::Value;
+    ) -> (Self::Value, Self::Value);
     fn atomic_rmw(
         &mut self,
         op: AtomicRmwBinOp,