1 files changed, 53 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/fmacs.ll b/test/CodeGen/ARM/fmacs.ll
index fb83ef6..b63f609 100644
--- a/test/CodeGen/ARM/fmacs.ll
+++ b/test/CodeGen/ARM/fmacs.ll
@@ -1,6 +1,8 @@
 ; RUN: llc < %s -march=arm -mattr=+vfp2 | FileCheck %s -check-prefix=VFP2
 ; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s -check-prefix=NEON
 ; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s -check-prefix=A8
+; RUN: llc < %s -march=arm -mcpu=cortex-a9 | FileCheck %s -check-prefix=A9
+; RUN: llc < %s -mtriple=arm-linux-gnueabi -mcpu=cortex-a9 -float-abi=hard | FileCheck %s -check-prefix=HARD
 
 define float @t1(float %acc, float %a, float %b) {
 entry:
@@ -49,3 +51,54 @@ entry:
         %1 = fadd float %0, %acc
 	ret float %1
 }
+
+; It's possible to make use of fp vmla / vmls on Cortex-A9.
+; rdar://8659675
+define void @t4(float %acc1, float %a, float %b, float %acc2, float %c, float* %P1, float* %P2) {
+entry:
+; A8: t4:
+; A8: vmul.f32
+; A8: vmul.f32
+; A8: vadd.f32
+; A8: vadd.f32
+
+; Two vmla with now RAW hazard
+; A9: t4:
+; A9: vmla.f32
+; A9: vmla.f32
+
+; HARD: t4:
+; HARD: vmla.f32 s0, s1, s2
+; HARD: vmla.f32 s3, s1, s4
+  %0 = fmul float %a, %b
+  %1 = fadd float %acc1, %0
+  %2 = fmul float %a, %c
+  %3 = fadd float %acc2, %2
+  store float %1, float* %P1
+  store float %3, float* %P2
+  ret void
+}
+
+define float @t5(float %a, float %b, float %c, float %d, float %e) {
+entry:
+; A8: t5:
+; A8: vmul.f32
+; A8: vmul.f32
+; A8: vadd.f32
+; A8: vadd.f32
+
+; A9: t5:
+; A9: vmla.f32
+; A9: vmul.f32
+; A9: vadd.f32
+
+; HARD: t5:
+; HARD: vmla.f32 s4, s0, s1
+; HARD: vmul.f32 s0, s2, s3
+; HARD: vadd.f32 s0, s4, s0
+  %0 = fmul float %a, %b
+  %1 = fadd float %e, %0
+  %2 = fmul float %c, %d
+  %3 = fadd float %1, %2
+  ret float %3
+}