1 files changed, 149 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/fpneeded.ll b/test/CodeGen/Mips/fpneeded.ll
new file mode 100644
index 0000000..623883a
--- /dev/null
+++ b/test/CodeGen/Mips/fpneeded.ll
@@ -0,0 +1,149 @@
+; RUN: llc  -march=mipsel -mcpu=mips32 -relocation-model=static -O3 < %s -mips-os16  | FileCheck %s -check-prefix=32
+
+@x = global float 1.000000e+00, align 4
+@y = global float 2.000000e+00, align 4
+@zz = common global float 0.000000e+00, align 4
+@z = common global float 0.000000e+00, align 4
+
+define float @fv() #0 {
+entry:
+  ret float 1.000000e+00
+}
+
+; 32: 	.set	nomips16                  # @fv
+; 32: 	.ent	fv
+; 32:	.set	noreorder
+; 32:	.set	nomacro
+; 32:	.set	noat
+; 32:	jr	$ra
+; 32:	.set	at
+; 32:	.set	macro
+; 32:	.set	reorder
+; 32:	.end	fv
+
+define double @dv() #0 {
+entry:
+  ret double 2.000000e+00
+}
+
+; 32: 	.set	nomips16                  # @dv
+; 32: 	.ent	dv
+; 32:	.set	noreorder
+; 32:	.set	nomacro
+; 32:	.set	noat
+; 32:	jr	$ra
+; 32:	.set	at
+; 32:	.set	macro
+; 32:	.set	reorder
+; 32:	.end	dv
+
+define void @vf(float %x) #0 {
+entry:
+  %x.addr = alloca float, align 4
+  store float %x, float* %x.addr, align 4
+  ret void
+}
+
+; 32: 	.set	nomips16                  # @vf
+; 32: 	.ent	vf
+; 32:	.set	noreorder
+; 32:	.set	nomacro
+; 32:	.set	noat
+; 32:	jr	$ra
+; 32:	.set	at
+; 32:	.set	macro
+; 32:	.set	reorder
+; 32:	.end	vf
+
+define void @vd(double %x) #0 {
+entry:
+  %x.addr = alloca double, align 8
+  store double %x, double* %x.addr, align 8
+  ret void
+}
+
+; 32: 	.set	nomips16                  # @vd
+; 32: 	.ent	vd
+; 32:	.set	noreorder
+; 32:	.set	nomacro
+; 32:	.set	noat
+; 32:	jr	$ra
+; 32:	.set	at
+; 32:	.set	macro
+; 32:	.set	reorder
+; 32:	.end	vd
+
+define void @foo1() #0 {
+entry:
+  store float 1.000000e+00, float* @zz, align 4
+  %0 = load float* @y, align 4
+  %1 = load float* @x, align 4
+  %add = fadd float %0, %1
+  store float %add, float* @z, align 4
+  ret void
+}
+
+; 32: 	.set	nomips16                  # @foo1
+; 32: 	.ent	foo1
+; 32:	.set	noreorder
+; 32:	.set	nomacro
+; 32:	.set	noat
+; 32:	jr	$ra
+; 32:	.set	at
+; 32:	.set	macro
+; 32:	.set	reorder
+; 32:	.end	foo1
+
+define void @foo2() #0 {
+entry:
+  %0 = load float* @x, align 4
+  call void @vf(float %0)
+  ret void
+}
+
+
+; 32: 	.set	nomips16                  # @foo2
+; 32: 	.ent	foo2
+; 32:	.set	noreorder
+; 32:	.set	nomacro
+; 32:	.set	noat
+; 32:	jr	$ra
+; 32:	.set	at
+; 32:	.set	macro
+; 32:	.set	reorder
+; 32:	.end	foo2
+
+define void @foo3() #0 {
+entry:
+  %call = call float @fv()
+  store float %call, float* @x, align 4
+  ret void
+}
+
+; 32: 	.set	nomips16                  # @foo3
+; 32: 	.ent	foo3
+; 32:	.set	noreorder
+; 32:	.set	nomacro
+; 32:	.set	noat
+; 32:	jr	$ra
+; 32:	.set	at
+; 32:	.set	macro
+; 32:	.set	reorder
+; 32:	.end	foo3
+
+attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+define void @vv() #0 {
+entry:
+  ret void
+}
+
+; 32: 	.set	mips16                  # @vv
+; 32: 	.ent	vv
+
+; 32:	save	{{.+}}
+; 32:	restore	{{.+}} 
+; 32:	.end	vv
+
+
+