1 files changed, 86 insertions, 0 deletions
diff --git a/test/Analysis/CostModel/AMDGPU/fsub.ll b/test/Analysis/CostModel/AMDGPU/fsub.ll
new file mode 100644
index 000000000000..e0850be9867e
--- /dev/null
+++ b/test/Analysis/CostModel/AMDGPU/fsub.ll
@@ -0,0 +1,86 @@
+; RUN: opt -cost-model -analyze -mtriple=amdgcn-unknown-amdhsa -mattr=+half-rate-64-ops < %s | FileCheck -check-prefix=FASTF64 -check-prefix=ALL %s
+; RUN: opt -cost-model -analyze -mtriple=amdgcn-unknown-amdhsa -mattr=-half-rate-64-ops < %s | FileCheck -check-prefix=SLOWF64 -check-prefix=ALL %s
+
+; ALL: 'fsub_f32'
+; ALL: estimated cost of 1 for {{.*}} fsub float
+define void @fsub_f32(float addrspace(1)* %out, float addrspace(1)* %vaddr, float %b) #0 {
+  %vec = load float, float addrspace(1)* %vaddr
+  %add = fsub float %vec, %b
+  store float %add, float addrspace(1)* %out
+  ret void
+}
+
+; ALL: 'fsub_v2f32'
+; ALL: estimated cost of 2 for {{.*}} fsub <2 x float>
+define void @fsub_v2f32(<2 x float> addrspace(1)* %out, <2 x float> addrspace(1)* %vaddr, <2 x float> %b) #0 {
+  %vec = load <2 x float>, <2 x float> addrspace(1)* %vaddr
+  %add = fsub <2 x float> %vec, %b
+  store <2 x float> %add, <2 x float> addrspace(1)* %out
+  ret void
+}
+
+; ALL: 'fsub_v3f32'
+; ALL: estimated cost of 3 for {{.*}} fsub <3 x float>
+define void @fsub_v3f32(<3 x float> addrspace(1)* %out, <3 x float> addrspace(1)* %vaddr, <3 x float> %b) #0 {
+  %vec = load <3 x float>, <3 x float> addrspace(1)* %vaddr
+  %add = fsub <3 x float> %vec, %b
+  store <3 x float> %add, <3 x float> addrspace(1)* %out
+  ret void
+}
+
+; ALL: 'fsub_f64'
+; FASTF64: estimated cost of 2 for {{.*}} fsub double
+; SLOWF64: estimated cost of 3 for {{.*}} fsub double
+define void @fsub_f64(double addrspace(1)* %out, double addrspace(1)* %vaddr, double %b) #0 {
+  %vec = load double, double addrspace(1)* %vaddr
+  %add = fsub double %vec, %b
+  store double %add, double addrspace(1)* %out
+  ret void
+}
+
+; ALL: 'fsub_v2f64'
+; FASTF64: estimated cost of 4 for {{.*}} fsub <2 x double>
+; SLOWF64: estimated cost of 6 for {{.*}} fsub <2 x double>
+define void @fsub_v2f64(<2 x double> addrspace(1)* %out, <2 x double> addrspace(1)* %vaddr, <2 x double> %b) #0 {
+  %vec = load <2 x double>, <2 x double> addrspace(1)* %vaddr
+  %add = fsub <2 x double> %vec, %b
+  store <2 x double> %add, <2 x double> addrspace(1)* %out
+  ret void
+}
+
+; ALL: 'fsub_v3f64'
+; FASTF64: estimated cost of 6 for {{.*}} fsub <3 x double>
+; SLOWF64: estimated cost of 9 for {{.*}} fsub <3 x double>
+define void @fsub_v3f64(<3 x double> addrspace(1)* %out, <3 x double> addrspace(1)* %vaddr, <3 x double> %b) #0 {
+  %vec = load <3 x double>, <3 x double> addrspace(1)* %vaddr
+  %add = fsub <3 x double> %vec, %b
+  store <3 x double> %add, <3 x double> addrspace(1)* %out
+  ret void
+}
+
+; ALL: 'fsub_f16'
+; ALL: estimated cost of 1 for {{.*}} fsub half
+define void @fsub_f16(half addrspace(1)* %out, half addrspace(1)* %vaddr, half %b) #0 {
+  %vec = load half, half addrspace(1)* %vaddr
+  %add = fsub half %vec, %b
+  store half %add, half addrspace(1)* %out
+  ret void
+}
+
+; ALL: 'fsub_v2f16'
+; ALL: estimated cost of 2 for {{.*}} fsub <2 x half>
+define void @fsub_v2f16(<2 x half> addrspace(1)* %out, <2 x half> addrspace(1)* %vaddr, <2 x half> %b) #0 {
+  %vec = load <2 x half>, <2 x half> addrspace(1)* %vaddr
+  %add = fsub <2 x half> %vec, %b
+  store <2 x half> %add, <2 x half> addrspace(1)* %out
+  ret void
+}
+
+; ALL: 'fsub_v4f16'
+; ALL: estimated cost of 4 for {{.*}} fsub <4 x half>
+define void @fsub_v4f16(<4 x half> addrspace(1)* %out, <4 x half> addrspace(1)* %vaddr, <4 x half> %b) #0 {
+  %vec = load <4 x half>, <4 x half> addrspace(1)* %vaddr
+  %add = fsub <4 x half> %vec, %b
+  store <4 x half> %add, <4 x half> addrspace(1)* %out
+  ret void
+}