diff --git a/llvm/test/CodeGen/X86/flt-rounds.ll b/llvm/test/CodeGen/X86/flt-rounds.ll
index eb640f5e8c695..22101cc7343d9 100644
--- a/llvm/test/CodeGen/X86/flt-rounds.ll
+++ b/llvm/test/CodeGen/X86/flt-rounds.ll
@@ -34,3 +34,116 @@ define i32 @test_flt_rounds() nounwind {
   %1 = call i32 @llvm.flt.rounds()
   ret i32 %1
 }
+
+; Make sure we preserve order with fesetround.
+define i32 @multiple_flt_rounds() nounwind {
+; X86-LABEL: multiple_flt_rounds:
+; X86:       # %bb.0: # %entry
+; X86-NEXT:    pushl %ebx
+; X86-NEXT:    pushl %esi
+; X86-NEXT:    subl $20, %esp
+; X86-NEXT:    movl $1024, (%esp) # imm = 0x400
+; X86-NEXT:    calll fesetround
+; X86-NEXT:    fnstcw {{[0-9]+}}(%esp)
+; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT:    shrl $9, %ecx
+; X86-NEXT:    andb $6, %cl
+; X86-NEXT:    movl $45, %esi
+; X86-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X86-NEXT:    shrl %cl, %esi
+; X86-NEXT:    andl $3, %esi
+; X86-NEXT:    xorl %ebx, %ebx
+; X86-NEXT:    cmpl $3, %esi
+; X86-NEXT:    setne %bl
+; X86-NEXT:    movl $0, (%esp)
+; X86-NEXT:    calll fesetround
+; X86-NEXT:    movl $3072, (%esp) # imm = 0xC00
+; X86-NEXT:    calll fesetround
+; X86-NEXT:    cmpl $1, %esi
+; X86-NEXT:    leal 1(%ebx), %eax
+; X86-NEXT:    je .LBB1_2
+; X86-NEXT:  # %bb.1: # %entry
+; X86-NEXT:    movl %eax, %ebx
+; X86-NEXT:  .LBB1_2: # %entry
+; X86-NEXT:    sbbl $-1, %ebx
+; X86-NEXT:    movl $2048, (%esp) # imm = 0x800
+; X86-NEXT:    calll fesetround
+; X86-NEXT:    xorl %ecx, %ecx
+; X86-NEXT:    cmpl $2, %esi
+; X86-NEXT:    setne %cl
+; X86-NEXT:    negl %ecx
+; X86-NEXT:    xorl %eax, %eax
+; X86-NEXT:    cmpl %ecx, %ebx
+; X86-NEXT:    setne %al
+; X86-NEXT:    addl $20, %esp
+; X86-NEXT:    popl %esi
+; X86-NEXT:    popl %ebx
+; X86-NEXT:    retl
+;
+; X64-LABEL: multiple_flt_rounds:
+; X64:       # %bb.0: # %entry
+; X64-NEXT:    pushq %rbp
+; X64-NEXT:    pushq %r14
+; X64-NEXT:    pushq %rbx
+; X64-NEXT:    subq $16, %rsp
+; X64-NEXT:    movl $1024, %edi # imm = 0x400
+; X64-NEXT:    callq fesetround
+; X64-NEXT:    fnstcw {{[0-9]+}}(%rsp)
+; X64-NEXT:    movzwl {{[0-9]+}}(%rsp), %ecx
+; X64-NEXT:    shrl $9, %ecx
+; X64-NEXT:    andb $6, %cl
+; X64-NEXT:    movl $45, %ebx
+; X64-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X64-NEXT:    shrl %cl, %ebx
+; X64-NEXT:    andl $3, %ebx
+; X64-NEXT:    xorl %r14d, %r14d
+; X64-NEXT:    cmpl $3, %ebx
+; X64-NEXT:    setne %r14b
+; X64-NEXT:    xorl %edi, %edi
+; X64-NEXT:    callq fesetround
+; X64-NEXT:    leal 1(%r14), %ebp
+; X64-NEXT:    movl $3072, %edi # imm = 0xC00
+; X64-NEXT:    callq fesetround
+; X64-NEXT:    cmpl $1, %ebx
+; X64-NEXT:    cmovel %r14d, %ebp
+; X64-NEXT:    sbbl $-1, %ebp
+; X64-NEXT:    movl $2048, %edi # imm = 0x800
+; X64-NEXT:    callq fesetround
+; X64-NEXT:    xorl %ecx, %ecx
+; X64-NEXT:    cmpl $2, %ebx
+; X64-NEXT:    setne %cl
+; X64-NEXT:    negl %ecx
+; X64-NEXT:    xorl %eax, %eax
+; X64-NEXT:    cmpl %ecx, %ebp
+; X64-NEXT:    setne %al
+; X64-NEXT:    addq $16, %rsp
+; X64-NEXT:    popq %rbx
+; X64-NEXT:    popq %r14
+; X64-NEXT:    popq %rbp
+; X64-NEXT:    retq
+entry:
+  %call = tail call i32 @fesetround(i32 1024)
+  %0 = tail call i32 @llvm.flt.rounds()
+  %cmp = icmp ne i32 %0, 3
+  %spec.select = zext i1 %cmp to i32
+  %call1 = tail call i32 @fesetround(i32 0)
+  %1 = tail call i32 @llvm.flt.rounds()
+  %cmp2 = icmp eq i32 %1, 1
+  %inc4 = select i1 %cmp, i32 2, i32 1
+  %errs.1 = select i1 %cmp2, i32 %spec.select, i32 %inc4
+  %call6 = tail call i32 @fesetround(i32 3072)
+  %2 = tail call i32 @llvm.flt.rounds()
+  %cmp7 = icmp ne i32 %2, 0
+  %inc9 = zext i1 %cmp7 to i32
+  %spec.select22 = add nuw nsw i32 %errs.1, %inc9
+  %call11 = tail call i32 @fesetround(i32 2048)
+  %3 = tail call i32 @llvm.flt.rounds()
+  %cmp12 = icmp ne i32 %3, 2
+  %inc14.neg = sext i1 %cmp12 to i32
+  %cmp16 = icmp ne i32 %spec.select22, %inc14.neg
+  %cond = zext i1 %cmp16 to i32
+  ret i32 %cond
+}
+
+; Function Attrs: nounwind
+declare dso_local i32 @fesetround(i32) local_unnamed_addr #1