diff --git a/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-folding-tieddef.mir b/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-folding-tieddef.mir
index 76bd8e239de4f4..14c95f35fef805 100644
--- a/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-folding-tieddef.mir
+++ b/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-folding-tieddef.mir
@@ -1,5 +1,6 @@
 # RUN: llc %s -o - -experimental-debug-variable-locations \
 # RUN:    -start-before=x86-flags-copy-lowering -stop-after=virtregrewriter \
+# RUN:    -mtriple x86_64-unknown-unknown \
 # RUN: | FileCheck %s
 #
 # This test is for stack spill folding -- the INC32r near the end of the MIR
diff --git a/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-folding.mir b/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-folding.mir
index 3a7eaa1fbb5e86..2c01180092bd85 100644
--- a/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-folding.mir
+++ b/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-folding.mir
@@ -1,5 +1,6 @@
 # RUN: llc %s -o - -experimental-debug-variable-locations \
 # RUN:    -start-before=x86-flags-copy-lowering -stop-after=virtregrewriter \
+# RUN:    -mtriple x86_64-unknown-unknown \
 # RUN: | FileCheck %s
 #
 # This test is for stack spill folding -- the SETCC near the start of the MIR
diff --git a/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-load-folding.mir b/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-load-folding.mir
index 981de3d0279ec5..f204094c3288c5 100644
--- a/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-load-folding.mir
+++ b/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-load-folding.mir
@@ -1,5 +1,6 @@
 # RUN: llc %s -o - -experimental-debug-variable-locations \
 # RUN:     -start-before=phi-node-elimination -stop-after=virtregrewriter \
+# RUN:    -mtriple x86_64-unknown-unknown \
 # RUN:  | FileCheck %s
 #
 # Test that when a load gets folded into an instruction (the CVTTSS2SIrr below)
diff --git a/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-tracking.mir b/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-tracking.mir
index 861647fd7966ef..c7236f5e23c310 100644
--- a/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-tracking.mir
+++ b/llvm/test/DebugInfo/MIR/InstrRef/memory-operand-tracking.mir
@@ -1,4 +1,7 @@
-# RUN: llc %s -march=x86-64 -run-pass=livedebugvalues -experimental-debug-variable-locations -o - 2>&1 | FileCheck %s
+# RUN: llc %s -march=x86-64 -run-pass=livedebugvalues \
+# RUN:      -mtriple x86_64-unknown-unknown \
+# RUN:      -experimental-debug-variable-locations -o - 2>&1 \
+# RUN: | FileCheck %s
 #
 # Test that memory operands of instructions are interpreted by LiveDebugValues:
 # if an instruction reference is substituted to a memory operand, we should be