Index: llvm/test/tools/llvm-objdump/X86/source-interleave-prefix-windows.test
===================================================================
--- /dev/null
+++ llvm/test/tools/llvm-objdump/X86/source-interleave-prefix-windows.test
@@ -0,0 +1,10 @@
+;; Test --prefix option platform specific behavior.
+; REQUIRES: system-windows
+
+;; Test removal of trailing separators (both '/' and '\').
+;; The prefix 'myprefix/\' is changed to 'myprefix'.
+
+; RUN: sed -e "s,SRC_COMPDIR,/Inputs,g" %p/Inputs/source-interleave.ll > %t.ll
+; RUN: llc -o %t.o -filetype=obj -mtriple=x86_64-pc-linux %t.ll
+; RUN: llvm-objdump --prefix 'myprefix/\' --source %t.o 2>&1 | FileCheck %s -DFILE=%t.o -DPREFIX='myprefix'
+; CHECK: warning: '[[FILE]]': failed to find source [[PREFIX]]/Inputs\source-interleave-x86_64.c
\ No newline at end of file
Index: llvm/test/tools/llvm-objdump/X86/source-interleave-prefix.test
===================================================================
--- llvm/test/tools/llvm-objdump/X86/source-interleave-prefix.test
+++ llvm/test/tools/llvm-objdump/X86/source-interleave-prefix.test
@@ -1,5 +1,4 @@
 ;; Test --prefix option.
-;; UNSUPPORTED: system-windows
 
 ;; Test prefix option ignored for relative paths.
 
@@ -7,7 +6,7 @@
 ; RUN: llc -o %t-relative-path.o -filetype=obj -mtriple=x86_64-pc-linux %t-relative-path.ll
 ; RUN: llvm-objdump --prefix myprefix --source %t-relative-path.o 2>&1 | \
 ; RUN:   FileCheck %s --check-prefix=CHECK-BROKEN-PREFIX -DFILE=%t-relative-path.o -DPREFIX=.
-; CHECK-BROKEN-PREFIX: warning: '[[FILE]]': failed to find source [[PREFIX]]/Inputs/source-interleave-x86_64.c
+; CHECK-BROKEN-PREFIX: warning: '[[FILE]]': failed to find source [[PREFIX]]/Inputs{{[/\\]}}source-interleave-x86_64.c
 
 ;; Test invalid source interleave fixed by adding the correct prefix.
 
@@ -42,4 +41,4 @@
 ;; The prefix 'myprefix//' is converted to 'myprefix'.
 
 ; RUN: llvm-objdump --prefix myprefix// --source %t-missing-prefix.o 2>&1 | \
-; RUN:   FileCheck %s --check-prefix=CHECK-BROKEN-PREFIX -DFILE=%t-missing-prefix.o -DPREFIX=myprefix
+; RUN:   FileCheck %s --check-prefix=CHECK-BROKEN-PREFIX -DFILE=%t-missing-prefix.o -DPREFIX=myprefix
\ No newline at end of file