diff --git a/test/CodeGen/X86/pr37025.ll b/test/CodeGen/X86/pr37025.ll
new file mode 100644
index 00000000000..be8ab8d3846
--- /dev/null
+++ b/test/CodeGen/X86/pr37025.ll
@@ -0,0 +1,125 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
+
+; PR37025
+;
+;#include <stdatomic.h>
+;#include <stdbool.h>
+;
+;void func2();
+;
+;void func(_Atomic(unsigned long) * obj, void * obj2)
+;{
+;        if (atomic_fetch_sub(obj, 1) == 1 && obj2)
+;                func2();
+;}
+
+define void @test_dec_select(i64* nocapture %0, i8* readnone %1) {
+; CHECK-LABEL: test_dec_select:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    lock decq (%rdi)
+; CHECK-NEXT:    jne .LBB0_2
+; CHECK-NEXT:  # %bb.1:
+; CHECK-NEXT:    testq %rsi, %rsi
+; CHECK-NEXT:    je .LBB0_2
+; CHECK-NEXT:  # %bb.3:
+; CHECK-NEXT:    jmp func2 # TAILCALL
+; CHECK-NEXT:  .LBB0_2:
+; CHECK-NEXT:    retq
+  %3 = atomicrmw sub i64* %0, i64 1 seq_cst
+  %4 = icmp eq i64 %3, 1
+  %5 = icmp ne i8* %1, null
+  %6 = select i1 %4, i1 %5, i1 false
+  br i1 %6, label %7, label %8
+
+7: ; preds = %2
+  tail call void @func2()
+  br label %8
+
+8: ; preds = %7, %2
+  ret void
+}
+
+define void @test_dec_select_commute(i64* nocapture %0, i8* readnone %1) {
+; CHECK-LABEL: test_dec_select_commute:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    movq $-1, %rax
+; CHECK-NEXT:    lock xaddq %rax, (%rdi)
+; CHECK-NEXT:    testq %rsi, %rsi
+; CHECK-NEXT:    je .LBB1_2
+; CHECK-NEXT:  # %bb.1:
+; CHECK-NEXT:    cmpq $1, %rax
+; CHECK-NEXT:    jne .LBB1_2
+; CHECK-NEXT:  # %bb.3:
+; CHECK-NEXT:    jmp func2 # TAILCALL
+; CHECK-NEXT:  .LBB1_2:
+; CHECK-NEXT:    retq
+  %3 = atomicrmw sub i64* %0, i64 1 seq_cst
+  %4 = icmp eq i64 %3, 1
+  %5 = icmp ne i8* %1, null
+  %6 = select i1 %5, i1 %4, i1 false
+  br i1 %6, label %7, label %8
+
+7: ; preds = %2
+  tail call void @func2()
+  br label %8
+
+8: ; preds = %7, %2
+  ret void
+}
+
+define void @test_dec_and(i64* nocapture %0, i8* readnone %1) {
+; CHECK-LABEL: test_dec_and:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    movq $-1, %rax
+; CHECK-NEXT:    lock xaddq %rax, (%rdi)
+; CHECK-NEXT:    testq %rsi, %rsi
+; CHECK-NEXT:    je .LBB2_2
+; CHECK-NEXT:  # %bb.1:
+; CHECK-NEXT:    cmpq $1, %rax
+; CHECK-NEXT:    jne .LBB2_2
+; CHECK-NEXT:  # %bb.3:
+; CHECK-NEXT:    jmp func2 # TAILCALL
+; CHECK-NEXT:  .LBB2_2:
+; CHECK-NEXT:    retq
+  %3 = atomicrmw sub i64* %0, i64 1 seq_cst
+  %4 = icmp eq i64 %3, 1
+  %5 = icmp ne i8* %1, null
+  %6 = and i1 %5, %4
+  br i1 %6, label %7, label %8
+
+7: ; preds = %2
+  tail call void @func2()
+  br label %8
+
+8: ; preds = %7, %2
+  ret void
+}
+
+define void @test_dec_and_commute(i64* nocapture %0, i8* readnone %1) {
+; CHECK-LABEL: test_dec_and_commute:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    lock decq (%rdi)
+; CHECK-NEXT:    jne .LBB3_2
+; CHECK-NEXT:  # %bb.1:
+; CHECK-NEXT:    testq %rsi, %rsi
+; CHECK-NEXT:    je .LBB3_2
+; CHECK-NEXT:  # %bb.3:
+; CHECK-NEXT:    jmp func2 # TAILCALL
+; CHECK-NEXT:  .LBB3_2:
+; CHECK-NEXT:    retq
+  %3 = atomicrmw sub i64* %0, i64 1 seq_cst
+  %4 = icmp eq i64 %3, 1
+  %5 = icmp ne i8* %1, null
+  %6 = and i1 %4, %5
+  br i1 %6, label %7, label %8
+
+7: ; preds = %2
+  tail call void @func2()
+  br label %8
+
+8: ; preds = %7, %2
+  ret void
+}
+
+declare dso_local void @func2()