--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/Thumb2/float-ops.ll	Mon Sep 08 22:06:00 2014 +0900
@@ -0,0 +1,290 @@
+; RUN: llc < %s -mtriple=thumbv7-none-eabi   -mcpu=cortex-m3 | FileCheck %s -check-prefix=CHECK -check-prefix=NONE
+; RUN: llc < %s -mtriple=thumbv7-none-eabihf -mcpu=cortex-m4 | FileCheck %s -check-prefix=CHECK -check-prefix=HARD -check-prefix=SP
+; RUN: llc < %s -mtriple=thumbv7-none-eabihf -mcpu=cortex-a8 | FileCheck %s -check-prefix=CHECK -check-prefix=HARD -check-prefix=DP
+
+define float @add_f(float %a, float %b) {
+entry:
+; CHECK-LABEL: add_f:
+; NONE: bl __aeabi_fadd
+; HARD: vadd.f32  s0, s0, s1
+  %0 = fadd float %a, %b
+  ret float %0
+}
+
+define double @add_d(double %a, double %b) {
+entry:
+; CHECK-LABEL: add_d:
+; NONE: bl __aeabi_dadd
+; SP: bl __aeabi_dadd
+; DP: vadd.f64  d0, d0, d1
+  %0 = fadd double %a, %b
+  ret double %0
+}
+
+define float @sub_f(float %a, float %b) {
+entry:
+; CHECK-LABEL: sub_f:
+; NONE: bl __aeabi_fsub
+; HARD: vsub.f32  s
+  %0 = fsub float %a, %b
+  ret float %0
+}
+
+define double @sub_d(double %a, double %b) {
+entry:
+; CHECK-LABEL: sub_d:
+; NONE: bl __aeabi_dsub
+; SP: bl __aeabi_dsub
+; DP: vsub.f64  d0, d0, d1
+  %0 = fsub double %a, %b
+  ret double %0
+}
+
+define float @mul_f(float %a, float %b) {
+entry:
+; CHECK-LABEL: mul_f:
+; NONE: bl __aeabi_fmul
+; HARD: vmul.f32  s
+  %0 = fmul float %a, %b
+  ret float %0
+}
+
+define double @mul_d(double %a, double %b) {
+entry:
+; CHECK-LABEL: mul_d:
+; NONE: bl __aeabi_dmul
+; SP: bl __aeabi_dmul
+; DP: vmul.f64  d0, d0, d1
+  %0 = fmul double %a, %b
+  ret double %0
+}
+
+define float @div_f(float %a, float %b) {
+entry:
+; CHECK-LABEL: div_f:
+; NONE: bl __aeabi_fdiv
+; HARD: vdiv.f32  s
+  %0 = fdiv float %a, %b
+  ret float %0
+}
+
+define double @div_d(double %a, double %b) {
+entry:
+; CHECK-LABEL: div_d:
+; NONE: bl __aeabi_ddiv
+; SP: bl __aeabi_ddiv
+; DP: vdiv.f64  d0, d0, d1
+  %0 = fdiv double %a, %b
+  ret double %0
+}
+
+define float @rem_f(float %a, float %b) {
+entry:
+; CHECK-LABEL: rem_f:
+; NONE: bl fmodf
+; HARD: b fmodf
+  %0 = frem float %a, %b
+  ret float %0
+}
+
+define double @rem_d(double %a, double %b) {
+entry:
+; CHECK-LABEL: rem_d:
+; NONE: bl fmod
+; HARD: b fmod
+  %0 = frem double %a, %b
+  ret double %0
+}
+
+define float @load_f(float* %a) {
+entry:
+; CHECK-LABEL: load_f:
+; NONE: ldr r0, [r0]
+; HARD: vldr s0, [r0]
+  %0 = load float* %a, align 4
+  ret float %0
+}
+
+define double @load_d(double* %a) {
+entry:
+; CHECK-LABEL: load_d:
+; NONE: ldm.w r0, {r0, r1}
+; HARD: vldr d0, [r0]
+  %0 = load double* %a, align 8
+  ret double %0
+}
+
+define void @store_f(float* %a, float %b) {
+entry:
+; CHECK-LABEL: store_f:
+; NONE: str r1, [r0]
+; HARD: vstr s0, [r0]
+  store float %b, float* %a, align 4
+  ret void
+}
+
+define void @store_d(double* %a, double %b) {
+entry:
+; CHECK-LABEL: store_d:
+; NONE: mov r1, r3
+; NONE: str r2, [r0]
+; NONE: str r1, [r0, #4]
+; HARD: vstr d0, [r0]
+  store double %b, double* %a, align 8
+  ret void
+}
+
+define double @f_to_d(float %a) {
+; CHECK-LABEL: f_to_d:
+; NONE: bl __aeabi_f2d
+; SP: bl __aeabi_f2d
+; DP: vcvt.f64.f32 d0, s0
+  %1 = fpext float %a to double
+  ret double %1
+}
+
+define float @d_to_f(double %a) {
+; CHECK-LABEL: d_to_f:
+; NONE: bl __aeabi_d2f
+; SP: bl __aeabi_d2f
+; DP: vcvt.f32.f64 s0, d0
+  %1 = fptrunc double %a to float
+  ret float %1
+}
+
+define i32 @f_to_si(float %a) {
+; CHECK-LABEL: f_to_si:
+; NONE: bl __aeabi_f2iz
+; HARD: vcvt.s32.f32 s0, s0
+; HARD: vmov r0, s0
+  %1 = fptosi float %a to i32
+  ret i32 %1
+}
+
+define i32 @d_to_si(double %a) {
+; CHECK-LABEL: d_to_si:
+; NONE: bl __aeabi_d2iz
+; SP: vmov r0, r1, d0
+; SP: bl __aeabi_d2iz
+; DP: vcvt.s32.f64 s0, d0
+; DP: vmov r0, s0
+  %1 = fptosi double %a to i32
+  ret i32 %1
+}
+
+define i32 @f_to_ui(float %a) {
+; CHECK-LABEL: f_to_ui:
+; NONE: bl __aeabi_f2uiz
+; HARD: vcvt.u32.f32 s0, s0
+; HARD: vmov r0, s0
+  %1 = fptoui float %a to i32
+  ret i32 %1
+}
+
+define i32 @d_to_ui(double %a) {
+; CHECK-LABEL: d_to_ui:
+; NONE: bl __aeabi_d2uiz
+; SP: vmov r0, r1, d0
+; SP: bl __aeabi_d2uiz
+; DP: vcvt.u32.f64 s0, d0
+; DP: vmov r0, s0
+  %1 = fptoui double %a to i32
+  ret i32 %1
+}
+
+define float @si_to_f(i32 %a) {
+; CHECK-LABEL: si_to_f:
+; NONE: bl __aeabi_i2f
+; HARD: vcvt.f32.s32 s0, s0
+  %1 = sitofp i32 %a to float
+  ret float %1
+}
+
+define double @si_to_d(i32 %a) {
+; CHECK-LABEL: si_to_d:
+; NONE: bl __aeabi_i2d
+; SP: bl __aeabi_i2d
+; DP: vcvt.f64.s32 d0, s0
+  %1 = sitofp i32 %a to double
+  ret double %1
+}
+
+define float @ui_to_f(i32 %a) {
+; CHECK-LABEL: ui_to_f:
+; NONE: bl __aeabi_ui2f
+; HARD: vcvt.f32.u32 s0, s0
+  %1 = uitofp i32 %a to float
+  ret float %1
+}
+
+define double @ui_to_d(i32 %a) {
+; CHECK-LABEL: ui_to_d:
+; NONE: bl __aeabi_ui2d
+; SP: bl __aeabi_ui2d
+; DP: vcvt.f64.u32 d0, s0
+  %1 = uitofp i32 %a to double
+  ret double %1
+}
+
+define float @bitcast_i_to_f(i32 %a) {
+; CHECK-LABEL: bitcast_i_to_f:
+; NONE-NOT: mov
+; HARD: vmov s0, r0
+  %1 = bitcast i32 %a to float
+  ret float %1
+}
+
+define double @bitcast_i_to_d(i64 %a) {
+; CHECK-LABEL: bitcast_i_to_d:
+; NONE-NOT: mov
+; HARD: vmov d0, r0, r1
+  %1 = bitcast i64 %a to double
+  ret double %1
+}
+
+define i32 @bitcast_f_to_i(float %a) {
+; CHECK-LABEL: bitcast_f_to_i:
+; NONE-NOT: mov
+; HARD: vmov r0, s0
+  %1 = bitcast float %a to i32
+  ret i32 %1
+}
+
+define i64 @bitcast_d_to_i(double %a) {
+; CHECK-LABEL: bitcast_d_to_i:
+; NONE-NOT: mov
+; HARD: vmov r0, r1, d0
+  %1 = bitcast double %a to i64
+  ret i64 %1
+}
+
+define float @select_f(float %a, float %b, i1 %c) {
+; CHECK-LABEL: select_f:
+; NONE: tst.w   r2, #1
+; NONE: moveq   r0, r1
+; HARD: tst.w   r0, #1
+; HARD: vmovne.f32      s1, s0
+; HARD: vmov.f32        s0, s1
+  %1 = select i1 %c, float %a, float %b
+  ret float %1
+}
+
+define double @select_d(double %a, double %b, i1 %c) {
+; CHECK-LABEL: select_d:
+; NONE: ldr.w   [[REG:r[0-9]+]], [sp]
+; NONE: ands    [[REG]], [[REG]], #1
+; NONE: moveq   r0, r2
+; NONE: moveq   r1, r3
+; SP: ands r0, r0, #1
+; SP-DAG: vmov [[ALO:r[0-9]+]], [[AHI:r[0-9]+]], d0
+; SP-DAG: vmov [[BLO:r[0-9]+]], [[BHI:r[0-9]+]], d1
+; SP: itt ne
+; SP-DAG: movne [[BLO]], [[ALO]]
+; SP-DAG: movne [[BHI]], [[AHI]]
+; SP: vmov d0, [[BLO]], [[BHI]]
+; DP: tst.w   r0, #1
+; DP: vmovne.f64      d1, d0
+; DP: vmov.f64        d0, d1
+  %1 = select i1 %c, double %a, double %b
+  ret double %1
+}