diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/urem.i64.ll b/llvm/test/CodeGen/AMDGPU/GlobalISel/urem.i64.ll
@@ -188,130 +188,130 @@ define amdgpu_ps i64 @s_urem_i64(i64 inreg %num, i64 inreg %den) {
 ; CHECK-NEXT:    s_mov_b32 s5, -1
 ; CHECK-NEXT:    s_and_b64 s[6:7], s[6:7], s[4:5]
 ; CHECK-NEXT:    v_cmp_ne_u64_e64 vcc, s[6:7], 0
+; CHECK-NEXT:    v_cvt_f32_u32_e32 v2, s2
 ; CHECK-NEXT:    s_cbranch_vccz .LBB1_2
 ; CHECK-NEXT:  ; %bb.1:
-; CHECK-NEXT:    v_cvt_f32_u32_e32 v0, s2
-; CHECK-NEXT:    v_mov_b32_e32 v1, s3
-; CHECK-NEXT:    v_cvt_f32_u32_e32 v2, s3
+; CHECK-NEXT:    v_mov_b32_e32 v0, s3
+; CHECK-NEXT:    v_cvt_f32_u32_e32 v1, s3
 ; CHECK-NEXT:    s_sub_u32 s4, 0, s2
 ; CHECK-NEXT:    v_mov_b32_e32 v3, s1
-; CHECK-NEXT:    v_mac_f32_e32 v0, 0x4f800000, v2
+; CHECK-NEXT:    v_madmk_f32 v1, v1, 0x4f800000, v2
 ; CHECK-NEXT:    s_subb_u32 s5, 0, s3
-; CHECK-NEXT:    v_rcp_iflag_f32_e32 v0, v0
-; CHECK-NEXT:    v_mul_f32_e32 v0, 0x5f7ffffc, v0
-; CHECK-NEXT:    v_mul_f32_e32 v2, 0x2f800000, v0
-; CHECK-NEXT:    v_trunc_f32_e32 v2, v2
-; CHECK-NEXT:    v_mac_f32_e32 v0, 0xcf800000, v2
-; CHECK-NEXT:    v_cvt_u32_f32_e32 v2, v2
-; CHECK-NEXT:    v_cvt_u32_f32_e32 v0, v0
-; CHECK-NEXT:    v_mul_lo_u32 v4, s4, v2
-; CHECK-NEXT:    v_mul_lo_u32 v5, s4, v0
-; CHECK-NEXT:    v_mul_lo_u32 v6, s5, v0
-; CHECK-NEXT:    v_mul_hi_u32 v7, s4, v0
-; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v6, v4
-; CHECK-NEXT:    v_mul_lo_u32 v6, v2, v5
-; CHECK-NEXT:    v_mul_hi_u32 v8, v0, v5
-; CHECK-NEXT:    v_mul_hi_u32 v5, v2, v5
-; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v4, v7
-; CHECK-NEXT:    v_mul_lo_u32 v7, v0, v4
-; CHECK-NEXT:    v_mul_lo_u32 v9, v2, v4
-; CHECK-NEXT:    v_mul_hi_u32 v10, v0, v4
-; CHECK-NEXT:    v_mul_hi_u32 v4, v2, v4
-; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v6, v7
+; CHECK-NEXT:    v_rcp_iflag_f32_e32 v1, v1
+; CHECK-NEXT:    v_mul_f32_e32 v1, 0x5f7ffffc, v1
+; CHECK-NEXT:    v_mul_f32_e32 v4, 0x2f800000, v1
+; CHECK-NEXT:    v_trunc_f32_e32 v4, v4
+; CHECK-NEXT:    v_mac_f32_e32 v1, 0xcf800000, v4
+; CHECK-NEXT:    v_cvt_u32_f32_e32 v4, v4
+; CHECK-NEXT:    v_cvt_u32_f32_e32 v1, v1
+; CHECK-NEXT:    v_mul_lo_u32 v5, s4, v4
+; CHECK-NEXT:    v_mul_lo_u32 v6, s4, v1
+; CHECK-NEXT:    v_mul_lo_u32 v7, s5, v1
+; CHECK-NEXT:    v_mul_hi_u32 v8, s4, v1
+; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v7, v5
+; CHECK-NEXT:    v_mul_lo_u32 v7, v4, v6
+; CHECK-NEXT:    v_mul_hi_u32 v9, v1, v6
+; CHECK-NEXT:    v_mul_hi_u32 v6, v4, v6
+; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v5, v8
+; CHECK-NEXT:    v_mul_lo_u32 v8, v1, v5
+; CHECK-NEXT:    v_mul_lo_u32 v10, v4, v5
+; CHECK-NEXT:    v_mul_hi_u32 v11, v1, v5
+; CHECK-NEXT:    v_mul_hi_u32 v5, v4, v5
+; CHECK-NEXT:    v_add_i32_e32 v7, vcc, v7, v8
+; CHECK-NEXT:    v_cndmask_b32_e64 v8, 0, 1, vcc
+; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v10, v6
+; CHECK-NEXT:    v_cndmask_b32_e64 v10, 0, 1, vcc
+; CHECK-NEXT:    v_add_i32_e32 v7, vcc, v7, v9
 ; CHECK-NEXT:    v_cndmask_b32_e64 v7, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v9, v5
+; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v6, v11
 ; CHECK-NEXT:    v_cndmask_b32_e64 v9, 0, 1, vcc
+; CHECK-NEXT:    v_add_i32_e32 v7, vcc, v8, v7
+; CHECK-NEXT:    v_add_i32_e32 v8, vcc, v10, v9
+; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v6, v7
+; CHECK-NEXT:    v_cndmask_b32_e64 v7, 0, 1, vcc
+; CHECK-NEXT:    v_add_i32_e32 v7, vcc, v8, v7
+; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v5, v7
+; CHECK-NEXT:    v_add_i32_e32 v1, vcc, v1, v6
+; CHECK-NEXT:    v_addc_u32_e32 v4, vcc, v4, v5, vcc
+; CHECK-NEXT:    v_mul_lo_u32 v5, s4, v1
+; CHECK-NEXT:    v_mul_lo_u32 v6, s5, v1
+; CHECK-NEXT:    v_mul_hi_u32 v7, s4, v1
+; CHECK-NEXT:    v_mul_lo_u32 v8, s4, v4
+; CHECK-NEXT:    v_mul_lo_u32 v9, v4, v5
+; CHECK-NEXT:    v_mul_hi_u32 v10, v1, v5
+; CHECK-NEXT:    v_mul_hi_u32 v5, v4, v5
 ; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v6, v8
-; CHECK-NEXT:    v_cndmask_b32_e64 v6, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v5, v10
+; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v6, v7
+; CHECK-NEXT:    v_mul_lo_u32 v7, v1, v6
+; CHECK-NEXT:    v_mul_lo_u32 v8, v4, v6
+; CHECK-NEXT:    v_mul_hi_u32 v11, v1, v6
+; CHECK-NEXT:    v_mul_hi_u32 v6, v4, v6
+; CHECK-NEXT:    v_add_i32_e32 v7, vcc, v9, v7
+; CHECK-NEXT:    v_cndmask_b32_e64 v9, 0, 1, vcc
+; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v8, v5
 ; CHECK-NEXT:    v_cndmask_b32_e64 v8, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v7, v6
-; CHECK-NEXT:    v_add_i32_e32 v7, vcc, v9, v8
-; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v5, v6
-; CHECK-NEXT:    v_cndmask_b32_e64 v6, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v7, v6
-; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v4, v6
-; CHECK-NEXT:    v_add_i32_e32 v0, vcc, v0, v5
-; CHECK-NEXT:    v_addc_u32_e32 v2, vcc, v2, v4, vcc
-; CHECK-NEXT:    v_mul_lo_u32 v4, s4, v0
-; CHECK-NEXT:    v_mul_lo_u32 v5, s5, v0
-; CHECK-NEXT:    v_mul_hi_u32 v6, s4, v0
-; CHECK-NEXT:    v_mul_lo_u32 v7, s4, v2
-; CHECK-NEXT:    v_mul_lo_u32 v8, v2, v4
-; CHECK-NEXT:    v_mul_hi_u32 v9, v0, v4
-; CHECK-NEXT:    v_mul_hi_u32 v4, v2, v4
+; CHECK-NEXT:    v_add_i32_e32 v7, vcc, v7, v10
+; CHECK-NEXT:    v_cndmask_b32_e64 v7, 0, 1, vcc
+; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v5, v11
+; CHECK-NEXT:    v_cndmask_b32_e64 v10, 0, 1, vcc
+; CHECK-NEXT:    v_add_i32_e32 v7, vcc, v9, v7
+; CHECK-NEXT:    v_add_i32_e32 v8, vcc, v8, v10
 ; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v5, v7
-; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v5, v6
-; CHECK-NEXT:    v_mul_lo_u32 v6, v0, v5
-; CHECK-NEXT:    v_mul_lo_u32 v7, v2, v5
-; CHECK-NEXT:    v_mul_hi_u32 v10, v0, v5
-; CHECK-NEXT:    v_mul_hi_u32 v5, v2, v5
-; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v8, v6
-; CHECK-NEXT:    v_cndmask_b32_e64 v8, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v7, v4
 ; CHECK-NEXT:    v_cndmask_b32_e64 v7, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v6, v9
-; CHECK-NEXT:    v_cndmask_b32_e64 v6, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v4, v10
-; CHECK-NEXT:    v_cndmask_b32_e64 v9, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v8, v6
-; CHECK-NEXT:    v_add_i32_e32 v7, vcc, v7, v9
-; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v4, v6
-; CHECK-NEXT:    v_cndmask_b32_e64 v6, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v7, v6
-; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v5, v6
-; CHECK-NEXT:    v_add_i32_e32 v0, vcc, v0, v4
-; CHECK-NEXT:    v_addc_u32_e32 v2, vcc, v2, v5, vcc
-; CHECK-NEXT:    v_mul_lo_u32 v4, s1, v0
-; CHECK-NEXT:    v_mul_hi_u32 v5, s0, v0
-; CHECK-NEXT:    v_mul_hi_u32 v0, s1, v0
-; CHECK-NEXT:    v_mul_lo_u32 v6, s0, v2
-; CHECK-NEXT:    v_mul_lo_u32 v7, s1, v2
-; CHECK-NEXT:    v_mul_hi_u32 v8, s0, v2
-; CHECK-NEXT:    v_mul_hi_u32 v2, s1, v2
-; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v4, v6
-; CHECK-NEXT:    v_cndmask_b32_e64 v6, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v0, vcc, v7, v0
+; CHECK-NEXT:    v_add_i32_e32 v7, vcc, v8, v7
+; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v6, v7
+; CHECK-NEXT:    v_add_i32_e32 v1, vcc, v1, v5
+; CHECK-NEXT:    v_addc_u32_e32 v4, vcc, v4, v6, vcc
+; CHECK-NEXT:    v_mul_lo_u32 v5, s1, v1
+; CHECK-NEXT:    v_mul_hi_u32 v6, s0, v1
+; CHECK-NEXT:    v_mul_hi_u32 v1, s1, v1
+; CHECK-NEXT:    v_mul_lo_u32 v7, s0, v4
+; CHECK-NEXT:    v_mul_lo_u32 v8, s1, v4
+; CHECK-NEXT:    v_mul_hi_u32 v9, s0, v4
+; CHECK-NEXT:    v_mul_hi_u32 v4, s1, v4
+; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v5, v7
 ; CHECK-NEXT:    v_cndmask_b32_e64 v7, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v4, v5
-; CHECK-NEXT:    v_cndmask_b32_e64 v4, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v0, vcc, v0, v8
+; CHECK-NEXT:    v_add_i32_e32 v1, vcc, v8, v1
+; CHECK-NEXT:    v_cndmask_b32_e64 v8, 0, 1, vcc
+; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v5, v6
 ; CHECK-NEXT:    v_cndmask_b32_e64 v5, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v6, v4
+; CHECK-NEXT:    v_add_i32_e32 v1, vcc, v1, v9
+; CHECK-NEXT:    v_cndmask_b32_e64 v6, 0, 1, vcc
 ; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v7, v5
-; CHECK-NEXT:    v_add_i32_e32 v0, vcc, v0, v4
-; CHECK-NEXT:    v_cndmask_b32_e64 v4, 0, 1, vcc
-; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v5, v4
-; CHECK-NEXT:    v_mul_lo_u32 v5, s2, v0
-; CHECK-NEXT:    v_mul_lo_u32 v6, s3, v0
-; CHECK-NEXT:    v_mul_hi_u32 v0, s2, v0
-; CHECK-NEXT:    v_add_i32_e32 v2, vcc, v2, v4
-; CHECK-NEXT:    v_mul_lo_u32 v2, s2, v2
-; CHECK-NEXT:    v_add_i32_e32 v2, vcc, v6, v2
-; CHECK-NEXT:    v_add_i32_e32 v0, vcc, v2, v0
-; CHECK-NEXT:    v_sub_i32_e32 v2, vcc, s0, v5
-; CHECK-NEXT:    v_subb_u32_e64 v3, s[4:5], v3, v0, vcc
-; CHECK-NEXT:    v_sub_i32_e64 v0, s[4:5], s1, v0
-; CHECK-NEXT:    v_cmp_le_u32_e64 s[4:5], s2, v2
-; CHECK-NEXT:    v_cndmask_b32_e64 v4, 0, -1, s[4:5]
-; CHECK-NEXT:    v_cmp_le_u32_e64 s[4:5], s3, v3
+; CHECK-NEXT:    v_add_i32_e32 v6, vcc, v8, v6
+; CHECK-NEXT:    v_add_i32_e32 v1, vcc, v1, v5
+; CHECK-NEXT:    v_cndmask_b32_e64 v5, 0, 1, vcc
+; CHECK-NEXT:    v_add_i32_e32 v5, vcc, v6, v5
+; CHECK-NEXT:    v_mul_lo_u32 v6, s2, v1
+; CHECK-NEXT:    v_mul_lo_u32 v7, s3, v1
+; CHECK-NEXT:    v_mul_hi_u32 v1, s2, v1
+; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v4, v5
+; CHECK-NEXT:    v_mul_lo_u32 v4, s2, v4
+; CHECK-NEXT:    v_add_i32_e32 v4, vcc, v7, v4
+; CHECK-NEXT:    v_add_i32_e32 v1, vcc, v4, v1
+; CHECK-NEXT:    v_sub_i32_e32 v4, vcc, s0, v6
+; CHECK-NEXT:    v_subb_u32_e64 v3, s[4:5], v3, v1, vcc
+; CHECK-NEXT:    v_sub_i32_e64 v1, s[4:5], s1, v1
+; CHECK-NEXT:    v_cmp_le_u32_e64 s[4:5], s2, v4
 ; CHECK-NEXT:    v_cndmask_b32_e64 v5, 0, -1, s[4:5]
-; CHECK-NEXT:    v_subb_u32_e32 v0, vcc, v0, v1, vcc
+; CHECK-NEXT:    v_cmp_le_u32_e64 s[4:5], s3, v3
+; CHECK-NEXT:    v_cndmask_b32_e64 v6, 0, -1, s[4:5]
+; CHECK-NEXT:    v_subb_u32_e32 v0, vcc, v1, v0, vcc
 ; CHECK-NEXT:    v_cmp_eq_u32_e32 vcc, s3, v3
-; CHECK-NEXT:    v_cndmask_b32_e32 v1, v5, v4, vcc
-; CHECK-NEXT:    v_subrev_i32_e32 v3, vcc, s2, v2
+; CHECK-NEXT:    v_cndmask_b32_e32 v1, v6, v5, vcc
+; CHECK-NEXT:    v_subrev_i32_e32 v3, vcc, s2, v4
 ; CHECK-NEXT:    v_subbrev_u32_e32 v0, vcc, 0, v0, vcc
 ; CHECK-NEXT:    v_cmp_le_u32_e32 vcc, s2, v3
-; CHECK-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
-; CHECK-NEXT:    v_subrev_i32_e32 v5, vcc, s2, v3
+; CHECK-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc
+; CHECK-NEXT:    v_subrev_i32_e32 v6, vcc, s2, v3
 ; CHECK-NEXT:    v_cmp_le_u32_e32 vcc, s3, v0
-; CHECK-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
+; CHECK-NEXT:    v_cndmask_b32_e64 v7, 0, -1, vcc
 ; CHECK-NEXT:    v_cmp_eq_u32_e32 vcc, s3, v0
-; CHECK-NEXT:    v_cndmask_b32_e32 v0, v6, v4, vcc
+; CHECK-NEXT:    v_cndmask_b32_e32 v0, v7, v5, vcc
 ; CHECK-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v0
-; CHECK-NEXT:    v_cndmask_b32_e32 v0, v3, v5, vcc
+; CHECK-NEXT:    v_cndmask_b32_e32 v0, v3, v6, vcc
 ; CHECK-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v1
-; CHECK-NEXT:    v_cndmask_b32_e32 v0, v2, v0, vcc
+; CHECK-NEXT:    v_cndmask_b32_e32 v0, v4, v0, vcc
 ; CHECK-NEXT:    s_mov_b32 s5, 0
 ; CHECK-NEXT:    s_branch .LBB1_3
 ; CHECK-NEXT:  .LBB1_2:
@@ -322,9 +322,8 @@ define amdgpu_ps i64 @s_urem_i64(i64 inreg %num, i64 inreg %den) {
 ; CHECK-NEXT:    s_cmp_lg_u32 s1, 0
 ; CHECK-NEXT:    s_cbranch_scc1 .LBB1_5
 ; CHECK-NEXT:  ; %bb.4:
-; CHECK-NEXT:    v_cvt_f32_u32_e32 v0, s2
+; CHECK-NEXT:    v_rcp_iflag_f32_e32 v0, v2
 ; CHECK-NEXT:    s_sub_i32 s1, 0, s2
-; CHECK-NEXT:    v_rcp_iflag_f32_e32 v0, v0
 ; CHECK-NEXT:    v_mul_f32_e32 v0, 0x4f7ffffe, v0
 ; CHECK-NEXT:    v_cvt_u32_f32_e32 v0, v0
 ; CHECK-NEXT:    v_mul_lo_u32 v1, s1, v0

diff --git a/llvm/test/CodeGen/AMDGPU/selectcc-opt.ll b/llvm/test/CodeGen/AMDGPU/selectcc-opt.ll
@@ -33,6 +33,7 @@ ENDIF:
 
 ; EG-LABEL: {{^}}test_b:
 ; EG: SET{{[GTEQN]+}}_DX10
+; EG-NEXT: 0(0.000000e+00), 0(0.000000e+00)
 ; EG-NEXT: PRED_
 ; EG-NEXT: ALU clause starting
 define amdgpu_kernel void @test_b(i32 addrspace(1)* %out, float %in) {

diff --git a/llvm/test/CodeGen/PowerPC/machine-cse-rm-pre.mir b/llvm/test/CodeGen/PowerPC/machine-cse-rm-pre.mir
@@ -0,0 +1,173 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc %s -o - -mtriple=powerpc-unknown-unknown -run-pass=machine-cse -verify-machineinstrs | FileCheck %s
+--- |
+  define void @can_pre() {
+  entry:
+    br label %for.body
+
+  for.body:
+    br i1 undef, label %if.then, label %if.else
+
+  if.then:
+    br label %if.end
+
+  if.else:
+    br label %if.end
+
+  if.end:
+    br label %for.body
+  }
+
+  define void @cannot_pre() {
+  entry:
+    br label %for.body
+
+  for.body:
+    br i1 undef, label %if.then, label %if.else
+
+  if.then:
+    br label %if.end
+
+  if.else:
+    br label %if.end
+
+  if.end:
+    br label %for.body
+  }
+...
+---
+name: can_pre
+registers:
+  - { id: 0, class: f8rc, preferred-register: '' }
+  - { id: 1, class: f8rc, preferred-register: '' }
+  - { id: 2, class: gprc, preferred-register: '' }
+  - { id: 3, class: gprc, preferred-register: '' }
+  - { id: 4, class: f8rc, preferred-register: '' }
+  - { id: 5, class: f8rc, preferred-register: '' }
+liveins:
+  - { reg: '$r1', virtual-reg: '%2' }
+  - { reg: '$r2', virtual-reg: '%3' }
+  - { reg: '$f1', virtual-reg: '%4' }
+  - { reg: '$f2', virtual-reg: '%5' }
+body:             |
+  ; CHECK-LABEL: name: can_pre
+  ; CHECK: bb.0.for.body:
+  ; CHECK-NEXT:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
+  ; CHECK-NEXT:   liveins: $r1, $r2, $f1, $f2
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:f8rc = COPY $f2
+  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:f8rc = COPY $f1
+  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:gprc = COPY $r2
+  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:gprc = COPY $r1
+  ; CHECK-NEXT:   $cr0 = CMPLWI [[COPY3]], 0
+  ; CHECK-NEXT:   %6:f8rc = nofpexcept FDIV [[COPY1]], [[COPY]], implicit $rm
+  ; CHECK-NEXT:   BCC 44, $cr0, %bb.1
+  ; CHECK-NEXT:   B %bb.2
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.1.if.then:
+  ; CHECK-NEXT:   successors: %bb.3(0x80000000)
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   B %bb.3
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.2.if.else:
+  ; CHECK-NEXT:   successors: %bb.3(0x80000000)
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.3.if.end:
+  ; CHECK-NEXT:   BLR implicit $lr, implicit $rm
+  bb.0.for.body:
+    successors: %bb.1(0x40000000), %bb.2(0x40000000)
+    liveins: $r1, $r2, $f1, $f2
+
+    %5:f8rc = COPY $f2
+    %4:f8rc = COPY $f1
+    %3:gprc = COPY $r2
+    %2:gprc = COPY $r1
+    $cr0 = CMPLWI %2, 0
+    BCC 44, $cr0, %bb.1
+    B %bb.2
+
+  bb.1.if.then:
+    successors: %bb.3(0x80000000)
+
+    %0:f8rc = nofpexcept FDIV %4, %5, implicit $rm
+    B %bb.3
+
+  bb.2.if.else:
+    successors: %bb.3(0x80000000)
+
+    %1:f8rc = nofpexcept FDIV %4, %5, implicit $rm
+
+  bb.3.if.end:
+    BLR implicit $lr, implicit $rm
+...
+---
+name: cannot_pre
+registers:
+  - { id: 0, class: f8rc, preferred-register: '' }
+  - { id: 1, class: f8rc, preferred-register: '' }
+  - { id: 2, class: gprc, preferred-register: '' }
+  - { id: 3, class: gprc, preferred-register: '' }
+  - { id: 4, class: f8rc, preferred-register: '' }
+  - { id: 5, class: f8rc, preferred-register: '' }
+  - { id: 6, class: f8rc, preferred-register: '' }
+liveins:
+  - { reg: '$r1', virtual-reg: '%2' }
+  - { reg: '$r2', virtual-reg: '%3' }
+  - { reg: '$f1', virtual-reg: '%4' }
+  - { reg: '$f2', virtual-reg: '%5' }
+body:             |
+  ; CHECK-LABEL: name: cannot_pre
+  ; CHECK: bb.0.for.body:
+  ; CHECK-NEXT:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
+  ; CHECK-NEXT:   liveins: $r1, $r2, $f1, $f2
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:f8rc = COPY $f2
+  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:f8rc = COPY $f1
+  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:gprc = COPY $r2
+  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:gprc = COPY $r1
+  ; CHECK-NEXT:   $cr0 = CMPLWI [[COPY3]], 0
+  ; CHECK-NEXT:   BCC 44, $cr0, %bb.1
+  ; CHECK-NEXT:   B %bb.2
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.1.if.then:
+  ; CHECK-NEXT:   successors: %bb.3(0x80000000)
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   [[SETRND:%[0-9]+]]:f8rc = SETRND [[COPY2]], implicit-def $rm, implicit $rm
+  ; CHECK-NEXT:   %0:f8rc = nofpexcept FDIV [[COPY1]], [[COPY]], implicit $rm
+  ; CHECK-NEXT:   B %bb.3
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.2.if.else:
+  ; CHECK-NEXT:   successors: %bb.3(0x80000000)
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT:   %1:f8rc = nofpexcept FDIV [[COPY1]], [[COPY]], implicit $rm
+  ; CHECK-NEXT: {{  $}}
+  ; CHECK-NEXT: bb.3.if.end:
+  ; CHECK-NEXT:   BLR implicit $lr, implicit $rm
+  bb.0.for.body:
+    successors: %bb.1(0x40000000), %bb.2(0x40000000)
+    liveins: $r1, $r2, $f1, $f2
+
+    %5:f8rc = COPY $f2
+    %4:f8rc = COPY $f1
+    %3:gprc = COPY $r2
+    %2:gprc = COPY $r1
+    $cr0 = CMPLWI %2, 0
+    BCC 44, $cr0, %bb.1
+    B %bb.2
+
+  bb.1.if.then:
+    successors: %bb.3(0x80000000)
+
+    %6:f8rc = SETRND %3, implicit-def $rm, implicit $rm
+    %0:f8rc = nofpexcept FDIV %4, %5, implicit $rm
+    B %bb.3
+
+  bb.2.if.else:
+    successors: %bb.3(0x80000000)
+
+    %1:f8rc = nofpexcept FDIV %4, %5, implicit $rm
+
+  bb.3.if.end:
+    BLR implicit $lr, implicit $rm
+...
diff --git a/llvm/test/CodeGen/Thumb2/LowOverheadLoops/memcall.ll b/llvm/test/CodeGen/Thumb2/LowOverheadLoops/memcall.ll
@@ -277,23 +277,23 @@ for.body:                                         ; preds = %entry, %for.body
 define void @test_memset_preheader(i8* %x, i8* %y, i32 %n) {
 ; CHECK-LABEL: test_memset_preheader:
 ; CHECK:       @ %bb.0: @ %entry
-; CHECK-NEXT:    .save {r7, lr}
-; CHECK-NEXT:    push {r7, lr}
+; CHECK-NEXT:    .save {r4, lr}
+; CHECK-NEXT:    push {r4, lr}
 ; CHECK-NEXT:    cbz r2, .LBB6_5
 ; CHECK-NEXT:  @ %bb.1: @ %prehead
 ; CHECK-NEXT:    vmov.i32 q0, #0x0
-; CHECK-NEXT:    mov r12, r0
+; CHECK-NEXT:    mov r4, r0
 ; CHECK-NEXT:    wlstp.8 lr, r2, .LBB6_3
 ; CHECK-NEXT:  .LBB6_2: @ =>This Inner Loop Header: Depth=1
-; CHECK-NEXT:    vstrb.8 q0, [r12], #16
+; CHECK-NEXT:    vstrb.8 q0, [r4], #16
 ; CHECK-NEXT:    letp lr, .LBB6_2
 ; CHECK-NEXT:  .LBB6_3: @ %prehead
 ; CHECK-NEXT:    dls lr, r2
-; CHECK-NEXT:    mov r12, r0
+; CHECK-NEXT:    mov r3, r0
 ; CHECK-NEXT:  .LBB6_4: @ %for.body
 ; CHECK-NEXT:    @ =>This Inner Loop Header: Depth=1
-; CHECK-NEXT:    ldrb r3, [r12], #1
-; CHECK-NEXT:    strb r3, [r1], #1
+; CHECK-NEXT:    ldrb r4, [r3], #1
+; CHECK-NEXT:    strb r4, [r1], #1
 ; CHECK-NEXT:    le lr, .LBB6_4
 ; CHECK-NEXT:  .LBB6_5: @ %for.cond.cleanup
 ; CHECK-NEXT:    vmov.i32 q0, #0x0
@@ -302,7 +302,7 @@ define void @test_memset_preheader(i8* %x, i8* %y, i32 %n) {
 ; CHECK-NEXT:    vstrb.8 q0, [r0], #16
 ; CHECK-NEXT:    letp lr, .LBB6_6
 ; CHECK-NEXT:  .LBB6_7: @ %for.cond.cleanup
-; CHECK-NEXT:    pop {r7, pc}
+; CHECK-NEXT:    pop {r4, pc}
 entry:
   %cmp6 = icmp ne i32 %n, 0
   br i1 %cmp6, label %prehead, label %for.cond.cleanup