diff --git a/llvm/test/CodeGen/X86/fpenv.ll b/llvm/test/CodeGen/X86/fpenv.ll
index c79e19f07cda5..77eaaa1ca08db 100644
--- a/llvm/test/CodeGen/X86/fpenv.ll
+++ b/llvm/test/CodeGen/X86/fpenv.ll
@@ -11,244 +11,6 @@ declare i32 @llvm.get.fpmode.i32()
 declare void @llvm.set.fpmode.i32(i32 %fpmode)
 declare void @llvm.reset.fpmode()
 
-define void @func_01() nounwind {
-; X86-NOSSE-LABEL: func_01:
-; X86-NOSSE:       # %bb.0:
-; X86-NOSSE-NEXT:    pushl %eax
-; X86-NOSSE-NEXT:    fnstcw (%esp)
-; X86-NOSSE-NEXT:    orb $12, {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT:    fldcw (%esp)
-; X86-NOSSE-NEXT:    popl %eax
-; X86-NOSSE-NEXT:    retl
-;
-; X86-SSE-LABEL: func_01:
-; X86-SSE:       # %bb.0:
-; X86-SSE-NEXT:    pushl %eax
-; X86-SSE-NEXT:    fnstcw (%esp)
-; X86-SSE-NEXT:    orb $12, {{[0-9]+}}(%esp)
-; X86-SSE-NEXT:    fldcw (%esp)
-; X86-SSE-NEXT:    stmxcsr (%esp)
-; X86-SSE-NEXT:    orb $96, {{[0-9]+}}(%esp)
-; X86-SSE-NEXT:    ldmxcsr (%esp)
-; X86-SSE-NEXT:    popl %eax
-; X86-SSE-NEXT:    retl
-;
-; X64-LABEL: func_01:
-; X64:       # %bb.0:
-; X64-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
-; X64-NEXT:    orb $12, -{{[0-9]+}}(%rsp)
-; X64-NEXT:    fldcw -{{[0-9]+}}(%rsp)
-; X64-NEXT:    stmxcsr -{{[0-9]+}}(%rsp)
-; X64-NEXT:    orb $96, -{{[0-9]+}}(%rsp)
-; X64-NEXT:    ldmxcsr -{{[0-9]+}}(%rsp)
-; X64-NEXT:    retq
-  call void @llvm.set.rounding(i32 0)  ; TowardZero (CW[11-10] = 11)
-  ret void
-}
-
-define void @func_02() nounwind {
-; X86-NOSSE-LABEL: func_02:
-; X86-NOSSE:       # %bb.0:
-; X86-NOSSE-NEXT:    pushl %eax
-; X86-NOSSE-NEXT:    fnstcw (%esp)
-; X86-NOSSE-NEXT:    andb $-13, {{[0-9]+}}(%esp)
-; X86-NOSSE-NEXT:    fldcw (%esp)
-; X86-NOSSE-NEXT:    popl %eax
-; X86-NOSSE-NEXT:    retl
-;
-; X86-SSE-LABEL: func_02:
-; X86-SSE:       # %bb.0:
-; X86-SSE-NEXT:    pushl %eax
-; X86-SSE-NEXT:    fnstcw (%esp)
-; X86-SSE-NEXT:    andb $-13, {{[0-9]+}}(%esp)
-; X86-SSE-NEXT:    fldcw (%esp)
-; X86-SSE-NEXT:    stmxcsr (%esp)
-; X86-SSE-NEXT:    andb $-97, {{[0-9]+}}(%esp)
-; X86-SSE-NEXT:    ldmxcsr (%esp)
-; X86-SSE-NEXT:    popl %eax
-; X86-SSE-NEXT:    retl
-;
-; X64-LABEL: func_02:
-; X64:       # %bb.0:
-; X64-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
-; X64-NEXT:    andb $-13, -{{[0-9]+}}(%rsp)
-; X64-NEXT:    fldcw -{{[0-9]+}}(%rsp)
-; X64-NEXT:    stmxcsr -{{[0-9]+}}(%rsp)
-; X64-NEXT:    andb $-97, -{{[0-9]+}}(%rsp)
-; X64-NEXT:    ldmxcsr -{{[0-9]+}}(%rsp)
-; X64-NEXT:    retq
-  call void @llvm.set.rounding(i32 1)  ; ToNearestTiesToEven (CW[11-10] = 00)
-  ret void
-}
-
-define void @func_03() nounwind {
-; X86-NOSSE-LABEL: func_03:
-; X86-NOSSE:       # %bb.0:
-; X86-NOSSE-NEXT:    pushl %eax
-; X86-NOSSE-NEXT:    fnstcw (%esp)
-; X86-NOSSE-NEXT:    movl $-3073, %eax # imm = 0xF3FF
-; X86-NOSSE-NEXT:    andl (%esp), %eax
-; X86-NOSSE-NEXT:    orl $2048, %eax # imm = 0x800
-; X86-NOSSE-NEXT:    movw %ax, (%esp)
-; X86-NOSSE-NEXT:    fldcw (%esp)
-; X86-NOSSE-NEXT:    popl %eax
-; X86-NOSSE-NEXT:    retl
-;
-; X86-SSE-LABEL: func_03:
-; X86-SSE:       # %bb.0:
-; X86-SSE-NEXT:    pushl %eax
-; X86-SSE-NEXT:    fnstcw (%esp)
-; X86-SSE-NEXT:    movl $-3073, %eax # imm = 0xF3FF
-; X86-SSE-NEXT:    andl (%esp), %eax
-; X86-SSE-NEXT:    orl $2048, %eax # imm = 0x800
-; X86-SSE-NEXT:    movw %ax, (%esp)
-; X86-SSE-NEXT:    fldcw (%esp)
-; X86-SSE-NEXT:    stmxcsr (%esp)
-; X86-SSE-NEXT:    movl $-24577, %eax # imm = 0x9FFF
-; X86-SSE-NEXT:    andl (%esp), %eax
-; X86-SSE-NEXT:    orl $16384, %eax # imm = 0x4000
-; X86-SSE-NEXT:    movl %eax, (%esp)
-; X86-SSE-NEXT:    ldmxcsr (%esp)
-; X86-SSE-NEXT:    popl %eax
-; X86-SSE-NEXT:    retl
-;
-; X64-LABEL: func_03:
-; X64:       # %bb.0:
-; X64-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
-; X64-NEXT:    movl $-3073, %eax # imm = 0xF3FF
-; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %eax
-; X64-NEXT:    orl $2048, %eax # imm = 0x800
-; X64-NEXT:    movw %ax, -{{[0-9]+}}(%rsp)
-; X64-NEXT:    fldcw -{{[0-9]+}}(%rsp)
-; X64-NEXT:    stmxcsr -{{[0-9]+}}(%rsp)
-; X64-NEXT:    movl $-24577, %eax # imm = 0x9FFF
-; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %eax
-; X64-NEXT:    orl $16384, %eax # imm = 0x4000
-; X64-NEXT:    movl %eax, -{{[0-9]+}}(%rsp)
-; X64-NEXT:    ldmxcsr -{{[0-9]+}}(%rsp)
-; X64-NEXT:    retq
-  call void @llvm.set.rounding(i32 2)  ; Upward (CW[11-10] = 10)
-  ret void
-}
-
-define void @func_04() nounwind {
-; X86-NOSSE-LABEL: func_04:
-; X86-NOSSE:       # %bb.0:
-; X86-NOSSE-NEXT:    pushl %eax
-; X86-NOSSE-NEXT:    fnstcw (%esp)
-; X86-NOSSE-NEXT:    movl $-3073, %eax # imm = 0xF3FF
-; X86-NOSSE-NEXT:    andl (%esp), %eax
-; X86-NOSSE-NEXT:    orl $1024, %eax # imm = 0x400
-; X86-NOSSE-NEXT:    movw %ax, (%esp)
-; X86-NOSSE-NEXT:    fldcw (%esp)
-; X86-NOSSE-NEXT:    popl %eax
-; X86-NOSSE-NEXT:    retl
-;
-; X86-SSE-LABEL: func_04:
-; X86-SSE:       # %bb.0:
-; X86-SSE-NEXT:    pushl %eax
-; X86-SSE-NEXT:    fnstcw (%esp)
-; X86-SSE-NEXT:    movl $-3073, %eax # imm = 0xF3FF
-; X86-SSE-NEXT:    andl (%esp), %eax
-; X86-SSE-NEXT:    orl $1024, %eax # imm = 0x400
-; X86-SSE-NEXT:    movw %ax, (%esp)
-; X86-SSE-NEXT:    fldcw (%esp)
-; X86-SSE-NEXT:    stmxcsr (%esp)
-; X86-SSE-NEXT:    movl $-24577, %eax # imm = 0x9FFF
-; X86-SSE-NEXT:    andl (%esp), %eax
-; X86-SSE-NEXT:    orl $8192, %eax # imm = 0x2000
-; X86-SSE-NEXT:    movl %eax, (%esp)
-; X86-SSE-NEXT:    ldmxcsr (%esp)
-; X86-SSE-NEXT:    popl %eax
-; X86-SSE-NEXT:    retl
-;
-; X64-LABEL: func_04:
-; X64:       # %bb.0:
-; X64-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
-; X64-NEXT:    movl $-3073, %eax # imm = 0xF3FF
-; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %eax
-; X64-NEXT:    orl $1024, %eax # imm = 0x400
-; X64-NEXT:    movw %ax, -{{[0-9]+}}(%rsp)
-; X64-NEXT:    fldcw -{{[0-9]+}}(%rsp)
-; X64-NEXT:    stmxcsr -{{[0-9]+}}(%rsp)
-; X64-NEXT:    movl $-24577, %eax # imm = 0x9FFF
-; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %eax
-; X64-NEXT:    orl $8192, %eax # imm = 0x2000
-; X64-NEXT:    movl %eax, -{{[0-9]+}}(%rsp)
-; X64-NEXT:    ldmxcsr -{{[0-9]+}}(%rsp)
-; X64-NEXT:    retq
-  call void @llvm.set.rounding(i32 3)  ; Downward (CW[11-10] = 01)
-  ret void
-}
-
-define void @func_05(i32 %x) nounwind {
-; X86-NOSSE-LABEL: func_05:
-; X86-NOSSE:       # %bb.0:
-; X86-NOSSE-NEXT:    pushl %eax
-; X86-NOSSE-NEXT:    movl {{[0-9]+}}(%esp), %eax
-; X86-NOSSE-NEXT:    leal 4(%eax,%eax), %ecx
-; X86-NOSSE-NEXT:    movl $201, %eax
-; X86-NOSSE-NEXT:    # kill: def $cl killed $cl killed $ecx
-; X86-NOSSE-NEXT:    shll %cl, %eax
-; X86-NOSSE-NEXT:    andl $3072, %eax # imm = 0xC00
-; X86-NOSSE-NEXT:    fnstcw (%esp)
-; X86-NOSSE-NEXT:    movl $-3073, %ecx # imm = 0xF3FF
-; X86-NOSSE-NEXT:    andl (%esp), %ecx
-; X86-NOSSE-NEXT:    orl %eax, %ecx
-; X86-NOSSE-NEXT:    movw %cx, (%esp)
-; X86-NOSSE-NEXT:    fldcw (%esp)
-; X86-NOSSE-NEXT:    popl %eax
-; X86-NOSSE-NEXT:    retl
-;
-; X86-SSE-LABEL: func_05:
-; X86-SSE:       # %bb.0:
-; X86-SSE-NEXT:    pushl %eax
-; X86-SSE-NEXT:    movl {{[0-9]+}}(%esp), %eax
-; X86-SSE-NEXT:    leal 4(%eax,%eax), %ecx
-; X86-SSE-NEXT:    movl $201, %eax
-; X86-SSE-NEXT:    # kill: def $cl killed $cl killed $ecx
-; X86-SSE-NEXT:    shll %cl, %eax
-; X86-SSE-NEXT:    andl $3072, %eax # imm = 0xC00
-; X86-SSE-NEXT:    fnstcw (%esp)
-; X86-SSE-NEXT:    movl $-3073, %ecx # imm = 0xF3FF
-; X86-SSE-NEXT:    andl (%esp), %ecx
-; X86-SSE-NEXT:    orl %eax, %ecx
-; X86-SSE-NEXT:    movw %cx, (%esp)
-; X86-SSE-NEXT:    fldcw (%esp)
-; X86-SSE-NEXT:    stmxcsr (%esp)
-; X86-SSE-NEXT:    movl $-24577, %ecx # imm = 0x9FFF
-; X86-SSE-NEXT:    andl (%esp), %ecx
-; X86-SSE-NEXT:    leal (%ecx,%eax,8), %eax
-; X86-SSE-NEXT:    movl %eax, (%esp)
-; X86-SSE-NEXT:    ldmxcsr (%esp)
-; X86-SSE-NEXT:    popl %eax
-; X86-SSE-NEXT:    retl
-;
-; X64-LABEL: func_05:
-; X64:       # %bb.0:
-; X64-NEXT:    # kill: def $edi killed $edi def $rdi
-; X64-NEXT:    leal 4(%rdi,%rdi), %ecx
-; X64-NEXT:    movl $201, %eax
-; X64-NEXT:    # kill: def $cl killed $cl killed $ecx
-; X64-NEXT:    shll %cl, %eax
-; X64-NEXT:    andl $3072, %eax # imm = 0xC00
-; X64-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
-; X64-NEXT:    movl $-3073, %ecx # imm = 0xF3FF
-; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %ecx
-; X64-NEXT:    orl %eax, %ecx
-; X64-NEXT:    movw %cx, -{{[0-9]+}}(%rsp)
-; X64-NEXT:    fldcw -{{[0-9]+}}(%rsp)
-; X64-NEXT:    stmxcsr -{{[0-9]+}}(%rsp)
-; X64-NEXT:    movl $-24577, %ecx # imm = 0x9FFF
-; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %ecx
-; X64-NEXT:    leal (%rcx,%rax,8), %eax
-; X64-NEXT:    movl %eax, -{{[0-9]+}}(%rsp)
-; X64-NEXT:    ldmxcsr -{{[0-9]+}}(%rsp)
-; X64-NEXT:    retq
-  call void @llvm.set.rounding(i32 %x)  ; Downward
-  ret void
-}
-
 define void @get_fpenv_01(ptr %ptr) #0 {
 ; X86-NOSSE-LABEL: get_fpenv_01:
 ; X86-NOSSE:       # %bb.0: # %entry
diff --git a/llvm/test/CodeGen/X86/isel-llvm.set.rounding.ll b/llvm/test/CodeGen/X86/isel-llvm.set.rounding.ll
new file mode 100644
index 0000000000000..688add1e92ab1
--- /dev/null
+++ b/llvm/test/CodeGen/X86/isel-llvm.set.rounding.ll
@@ -0,0 +1,294 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=i686-- -mattr=-sse | FileCheck %s --check-prefixes=X86-NOSSE,SDAG-X86-NOSSE
+; RUN: llc < %s -mtriple=i686-- -fast-isel -fast-isel-abort=1 -mattr=-sse | FileCheck %s --check-prefixes=X86-NOSSE,FASTISEL-X86-NOSSE
+; RUN: llc < %s -mtriple=i686-- -global-isel -global-isel-abort=2 -mattr=-sse | FileCheck %s --check-prefixes=X86-NOSSE,GISEL-X86-NOSSE
+; RUN: llc < %s -mtriple=x86_64-- -mattr=-sse | FileCheck %s --check-prefixes=X64-NOSSE,SDAG-X64-NOSSE
+; RUN: llc < %s -mtriple=x86_64-- -fast-isel -fast-isel-abort=1 -mattr=-sse | FileCheck %s --check-prefixes=X64-NOSSE,FASTISEL-X64-NOSSE
+; RUN: llc < %s -mtriple=x86_64-- -global-isel -global-isel-abort=2 -mattr=-sse | FileCheck %s --check-prefixes=X64-NOSSE,GISEL-X64-NOSSE
+; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefixes=X86,SDAG-X86
+; RUN: llc < %s -mtriple=i686-- -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=X86,FASTISEL-X86
+; RUN: llc < %s -mtriple=i686-- -global-isel -global-isel-abort=2 | FileCheck %s --check-prefixes=X86,GISEL-X86
+; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefixes=X64,SDAG-X64
+; RUN: llc < %s -mtriple=x86_64-- -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes=X64,FASTISEL-X64
+; RUN: llc < %s -mtriple=x86_64-- -global-isel -global-isel-abort=2 | FileCheck %s --check-prefixes=X64,GISEL-X64
+
+declare void @llvm.set.rounding(i32 %x)
+
+define void @func_01() nounwind {
+; X86-NOSSE-LABEL: func_01:
+; X86-NOSSE:       # %bb.0:
+; X86-NOSSE-NEXT:    pushl %eax
+; X86-NOSSE-NEXT:    fnstcw (%esp)
+; X86-NOSSE-NEXT:    orb $12, {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT:    fldcw (%esp)
+; X86-NOSSE-NEXT:    popl %eax
+; X86-NOSSE-NEXT:    retl
+;
+; X64-NOSSE-LABEL: func_01:
+; X64-NOSSE:       # %bb.0:
+; X64-NOSSE-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    orb $12, -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    fldcw -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    retq
+;
+; X86-LABEL: func_01:
+; X86:       # %bb.0:
+; X86-NEXT:    pushl %eax
+; X86-NEXT:    fnstcw (%esp)
+; X86-NEXT:    orb $12, {{[0-9]+}}(%esp)
+; X86-NEXT:    fldcw (%esp)
+; X86-NEXT:    popl %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: func_01:
+; X64:       # %bb.0:
+; X64-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
+; X64-NEXT:    orb $12, -{{[0-9]+}}(%rsp)
+; X64-NEXT:    fldcw -{{[0-9]+}}(%rsp)
+; X64-NEXT:    stmxcsr -{{[0-9]+}}(%rsp)
+; X64-NEXT:    orb $96, -{{[0-9]+}}(%rsp)
+; X64-NEXT:    ldmxcsr -{{[0-9]+}}(%rsp)
+; X64-NEXT:    retq
+  call void @llvm.set.rounding(i32 0)  ; TowardZero (CW[11-10] = 11)
+  ret void
+}
+
+define void @func_02() nounwind {
+; X86-NOSSE-LABEL: func_02:
+; X86-NOSSE:       # %bb.0:
+; X86-NOSSE-NEXT:    pushl %eax
+; X86-NOSSE-NEXT:    fnstcw (%esp)
+; X86-NOSSE-NEXT:    andb $-13, {{[0-9]+}}(%esp)
+; X86-NOSSE-NEXT:    fldcw (%esp)
+; X86-NOSSE-NEXT:    popl %eax
+; X86-NOSSE-NEXT:    retl
+;
+; X64-NOSSE-LABEL: func_02:
+; X64-NOSSE:       # %bb.0:
+; X64-NOSSE-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    andb $-13, -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    fldcw -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    retq
+;
+; X86-LABEL: func_02:
+; X86:       # %bb.0:
+; X86-NEXT:    pushl %eax
+; X86-NEXT:    fnstcw (%esp)
+; X86-NEXT:    andb $-13, {{[0-9]+}}(%esp)
+; X86-NEXT:    fldcw (%esp)
+; X86-NEXT:    popl %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: func_02:
+; X64:       # %bb.0:
+; X64-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
+; X64-NEXT:    andb $-13, -{{[0-9]+}}(%rsp)
+; X64-NEXT:    fldcw -{{[0-9]+}}(%rsp)
+; X64-NEXT:    stmxcsr -{{[0-9]+}}(%rsp)
+; X64-NEXT:    andb $-97, -{{[0-9]+}}(%rsp)
+; X64-NEXT:    ldmxcsr -{{[0-9]+}}(%rsp)
+; X64-NEXT:    retq
+  call void @llvm.set.rounding(i32 1)  ; ToNearestTiesToEven (CW[11-10] = 00)
+  ret void
+}
+
+define void @func_03() nounwind {
+; X86-NOSSE-LABEL: func_03:
+; X86-NOSSE:       # %bb.0:
+; X86-NOSSE-NEXT:    pushl %eax
+; X86-NOSSE-NEXT:    fnstcw (%esp)
+; X86-NOSSE-NEXT:    movl $-3073, %eax # imm = 0xF3FF
+; X86-NOSSE-NEXT:    andl (%esp), %eax
+; X86-NOSSE-NEXT:    orl $2048, %eax # imm = 0x800
+; X86-NOSSE-NEXT:    movw %ax, (%esp)
+; X86-NOSSE-NEXT:    fldcw (%esp)
+; X86-NOSSE-NEXT:    popl %eax
+; X86-NOSSE-NEXT:    retl
+;
+; X64-NOSSE-LABEL: func_03:
+; X64-NOSSE:       # %bb.0:
+; X64-NOSSE-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    movl $-3073, %eax # imm = 0xF3FF
+; X64-NOSSE-NEXT:    andl -{{[0-9]+}}(%rsp), %eax
+; X64-NOSSE-NEXT:    orl $2048, %eax # imm = 0x800
+; X64-NOSSE-NEXT:    movw %ax, -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    fldcw -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    retq
+;
+; X86-LABEL: func_03:
+; X86:       # %bb.0:
+; X86-NEXT:    pushl %eax
+; X86-NEXT:    fnstcw (%esp)
+; X86-NEXT:    movl $-3073, %eax # imm = 0xF3FF
+; X86-NEXT:    andl (%esp), %eax
+; X86-NEXT:    orl $2048, %eax # imm = 0x800
+; X86-NEXT:    movw %ax, (%esp)
+; X86-NEXT:    fldcw (%esp)
+; X86-NEXT:    popl %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: func_03:
+; X64:       # %bb.0:
+; X64-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
+; X64-NEXT:    movl $-3073, %eax # imm = 0xF3FF
+; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %eax
+; X64-NEXT:    orl $2048, %eax # imm = 0x800
+; X64-NEXT:    movw %ax, -{{[0-9]+}}(%rsp)
+; X64-NEXT:    fldcw -{{[0-9]+}}(%rsp)
+; X64-NEXT:    stmxcsr -{{[0-9]+}}(%rsp)
+; X64-NEXT:    movl $-24577, %eax # imm = 0x9FFF
+; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %eax
+; X64-NEXT:    orl $16384, %eax # imm = 0x4000
+; X64-NEXT:    movl %eax, -{{[0-9]+}}(%rsp)
+; X64-NEXT:    ldmxcsr -{{[0-9]+}}(%rsp)
+; X64-NEXT:    retq
+  call void @llvm.set.rounding(i32 2)  ; Upward (CW[11-10] = 10)
+  ret void
+}
+
+define void @func_04() nounwind {
+; X86-NOSSE-LABEL: func_04:
+; X86-NOSSE:       # %bb.0:
+; X86-NOSSE-NEXT:    pushl %eax
+; X86-NOSSE-NEXT:    fnstcw (%esp)
+; X86-NOSSE-NEXT:    movl $-3073, %eax # imm = 0xF3FF
+; X86-NOSSE-NEXT:    andl (%esp), %eax
+; X86-NOSSE-NEXT:    orl $1024, %eax # imm = 0x400
+; X86-NOSSE-NEXT:    movw %ax, (%esp)
+; X86-NOSSE-NEXT:    fldcw (%esp)
+; X86-NOSSE-NEXT:    popl %eax
+; X86-NOSSE-NEXT:    retl
+;
+; X64-NOSSE-LABEL: func_04:
+; X64-NOSSE:       # %bb.0:
+; X64-NOSSE-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    movl $-3073, %eax # imm = 0xF3FF
+; X64-NOSSE-NEXT:    andl -{{[0-9]+}}(%rsp), %eax
+; X64-NOSSE-NEXT:    orl $1024, %eax # imm = 0x400
+; X64-NOSSE-NEXT:    movw %ax, -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    fldcw -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    retq
+;
+; X86-LABEL: func_04:
+; X86:       # %bb.0:
+; X86-NEXT:    pushl %eax
+; X86-NEXT:    fnstcw (%esp)
+; X86-NEXT:    movl $-3073, %eax # imm = 0xF3FF
+; X86-NEXT:    andl (%esp), %eax
+; X86-NEXT:    orl $1024, %eax # imm = 0x400
+; X86-NEXT:    movw %ax, (%esp)
+; X86-NEXT:    fldcw (%esp)
+; X86-NEXT:    popl %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: func_04:
+; X64:       # %bb.0:
+; X64-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
+; X64-NEXT:    movl $-3073, %eax # imm = 0xF3FF
+; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %eax
+; X64-NEXT:    orl $1024, %eax # imm = 0x400
+; X64-NEXT:    movw %ax, -{{[0-9]+}}(%rsp)
+; X64-NEXT:    fldcw -{{[0-9]+}}(%rsp)
+; X64-NEXT:    stmxcsr -{{[0-9]+}}(%rsp)
+; X64-NEXT:    movl $-24577, %eax # imm = 0x9FFF
+; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %eax
+; X64-NEXT:    orl $8192, %eax # imm = 0x2000
+; X64-NEXT:    movl %eax, -{{[0-9]+}}(%rsp)
+; X64-NEXT:    ldmxcsr -{{[0-9]+}}(%rsp)
+; X64-NEXT:    retq
+  call void @llvm.set.rounding(i32 3)  ; Downward (CW[11-10] = 01)
+  ret void
+}
+
+define void @func_05(i32 %x) nounwind {
+; X86-NOSSE-LABEL: func_05:
+; X86-NOSSE:       # %bb.0:
+; X86-NOSSE-NEXT:    pushl %eax
+; X86-NOSSE-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NOSSE-NEXT:    leal 4(%eax,%eax), %ecx
+; X86-NOSSE-NEXT:    movl $201, %eax
+; X86-NOSSE-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X86-NOSSE-NEXT:    shll %cl, %eax
+; X86-NOSSE-NEXT:    andl $3072, %eax # imm = 0xC00
+; X86-NOSSE-NEXT:    fnstcw (%esp)
+; X86-NOSSE-NEXT:    movl $-3073, %ecx # imm = 0xF3FF
+; X86-NOSSE-NEXT:    andl (%esp), %ecx
+; X86-NOSSE-NEXT:    orl %eax, %ecx
+; X86-NOSSE-NEXT:    movw %cx, (%esp)
+; X86-NOSSE-NEXT:    fldcw (%esp)
+; X86-NOSSE-NEXT:    popl %eax
+; X86-NOSSE-NEXT:    retl
+;
+; X64-NOSSE-LABEL: func_05:
+; X64-NOSSE:       # %bb.0:
+; X64-NOSSE-NEXT:    # kill: def $edi killed $edi def $rdi
+; X64-NOSSE-NEXT:    leal 4(%rdi,%rdi), %ecx
+; X64-NOSSE-NEXT:    movl $201, %eax
+; X64-NOSSE-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X64-NOSSE-NEXT:    shll %cl, %eax
+; X64-NOSSE-NEXT:    andl $3072, %eax # imm = 0xC00
+; X64-NOSSE-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    movl $-3073, %ecx # imm = 0xF3FF
+; X64-NOSSE-NEXT:    andl -{{[0-9]+}}(%rsp), %ecx
+; X64-NOSSE-NEXT:    orl %eax, %ecx
+; X64-NOSSE-NEXT:    movw %cx, -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    fldcw -{{[0-9]+}}(%rsp)
+; X64-NOSSE-NEXT:    retq
+;
+; X86-LABEL: func_05:
+; X86:       # %bb.0:
+; X86-NEXT:    pushl %eax
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    leal 4(%eax,%eax), %ecx
+; X86-NEXT:    movl $201, %eax
+; X86-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X86-NEXT:    shll %cl, %eax
+; X86-NEXT:    andl $3072, %eax # imm = 0xC00
+; X86-NEXT:    fnstcw (%esp)
+; X86-NEXT:    movl $-3073, %ecx # imm = 0xF3FF
+; X86-NEXT:    andl (%esp), %ecx
+; X86-NEXT:    orl %eax, %ecx
+; X86-NEXT:    movw %cx, (%esp)
+; X86-NEXT:    fldcw (%esp)
+; X86-NEXT:    popl %eax
+; X86-NEXT:    retl
+;
+; X64-LABEL: func_05:
+; X64:       # %bb.0:
+; X64-NEXT:    # kill: def $edi killed $edi def $rdi
+; X64-NEXT:    leal 4(%rdi,%rdi), %ecx
+; X64-NEXT:    movl $201, %eax
+; X64-NEXT:    # kill: def $cl killed $cl killed $ecx
+; X64-NEXT:    shll %cl, %eax
+; X64-NEXT:    andl $3072, %eax # imm = 0xC00
+; X64-NEXT:    fnstcw -{{[0-9]+}}(%rsp)
+; X64-NEXT:    movl $-3073, %ecx # imm = 0xF3FF
+; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %ecx
+; X64-NEXT:    orl %eax, %ecx
+; X64-NEXT:    movw %cx, -{{[0-9]+}}(%rsp)
+; X64-NEXT:    fldcw -{{[0-9]+}}(%rsp)
+; X64-NEXT:    stmxcsr -{{[0-9]+}}(%rsp)
+; X64-NEXT:    movl $-24577, %ecx # imm = 0x9FFF
+; X64-NEXT:    andl -{{[0-9]+}}(%rsp), %ecx
+; X64-NEXT:    leal (%rcx,%rax,8), %eax
+; X64-NEXT:    movl %eax, -{{[0-9]+}}(%rsp)
+; X64-NEXT:    ldmxcsr -{{[0-9]+}}(%rsp)
+; X64-NEXT:    retq
+  call void @llvm.set.rounding(i32 %x)  ; Downward
+  ret void
+}
+
+attributes #0 = { nounwind "use-soft-float"="true" }
+;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
+; FASTISEL-X64: {{.*}}
+; FASTISEL-X64-NOSSE: {{.*}}
+; FASTISEL-X86: {{.*}}
+; FASTISEL-X86-NOSSE: {{.*}}
+; GISEL-X64: {{.*}}
+; GISEL-X64-NOSSE: {{.*}}
+; GISEL-X86: {{.*}}
+; GISEL-X86-NOSSE: {{.*}}
+; SDAG-X64: {{.*}}
+; SDAG-X64-NOSSE: {{.*}}
+; SDAG-X86: {{.*}}
+; SDAG-X86-NOSSE: {{.*}}