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-rw-r--r--llvm/test/CodeGen/AMDGPU/mad-sub.ll195
1 files changed, 194 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/mad-sub.ll b/llvm/test/CodeGen/AMDGPU/mad-sub.ll
index f4b02502d08..40027bff10a 100644
--- a/llvm/test/CodeGen/AMDGPU/mad-sub.ll
+++ b/llvm/test/CodeGen/AMDGPU/mad-sub.ll
@@ -1,8 +1,9 @@
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
-; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
+; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-fp16-denormals -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
declare i32 @llvm.amdgcn.workitem.id.x() #0
declare float @llvm.fabs.f32(float) #0
+declare half @llvm.fabs.f16(half) #0
; GCN-LABEL: {{^}}mad_sub_f32:
; GCN: {{buffer|flat}}_load_dword [[REGA:v[0-9]+]]
@@ -223,5 +224,197 @@ define void @fsub_fadd_a_a_c_f32(float addrspace(1)* %out, float addrspace(1)* %
ret void
}
+; GCN-LABEL: {{^}}mad_sub_f16:
+; GCN: {{buffer|flat}}_load_ushort [[REGA:v[0-9]+]]
+; GCN: {{buffer|flat}}_load_ushort [[REGB:v[0-9]+]]
+; GCN: {{buffer|flat}}_load_ushort [[REGC:v[0-9]+]]
+
+; VI: v_mad_f16 [[RESULT:v[0-9]+]], [[REGA]], [[REGB]], -[[REGC]]
+; VI: flat_store_short v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
+define void @mad_sub_f16(half addrspace(1)* noalias nocapture %out, half addrspace(1)* noalias nocapture readonly %ptr) #1 {
+ %tid = tail call i32 @llvm.amdgcn.workitem.id.x() #0
+ %tid.ext = sext i32 %tid to i64
+ %gep0 = getelementptr half, half addrspace(1)* %ptr, i64 %tid.ext
+ %add1 = add i64 %tid.ext, 1
+ %gep1 = getelementptr half, half addrspace(1)* %ptr, i64 %add1
+ %add2 = add i64 %tid.ext, 2
+ %gep2 = getelementptr half, half addrspace(1)* %ptr, i64 %add2
+ %outgep = getelementptr half, half addrspace(1)* %out, i64 %tid.ext
+ %a = load volatile half, half addrspace(1)* %gep0, align 2
+ %b = load volatile half, half addrspace(1)* %gep1, align 2
+ %c = load volatile half, half addrspace(1)* %gep2, align 2
+ %mul = fmul half %a, %b
+ %sub = fsub half %mul, %c
+ store half %sub, half addrspace(1)* %outgep, align 2
+ ret void
+}
+
+; GCN-LABEL: {{^}}mad_sub_inv_f16:
+; GCN: {{buffer|flat}}_load_ushort [[REGA:v[0-9]+]]
+; GCN: {{buffer|flat}}_load_ushort [[REGB:v[0-9]+]]
+; GCN: {{buffer|flat}}_load_ushort [[REGC:v[0-9]+]]
+; VI: v_mad_f16 [[RESULT:v[0-9]+]], -[[REGA]], [[REGB]], [[REGC]]
+; VI: flat_store_short v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
+define void @mad_sub_inv_f16(half addrspace(1)* noalias nocapture %out, half addrspace(1)* noalias nocapture readonly %ptr) #1 {
+ %tid = tail call i32 @llvm.amdgcn.workitem.id.x() #0
+ %tid.ext = sext i32 %tid to i64
+ %gep0 = getelementptr half, half addrspace(1)* %ptr, i64 %tid.ext
+ %add1 = add i64 %tid.ext, 1
+ %gep1 = getelementptr half, half addrspace(1)* %ptr, i64 %add1
+ %add2 = add i64 %tid.ext, 2
+ %gep2 = getelementptr half, half addrspace(1)* %ptr, i64 %add2
+ %outgep = getelementptr half, half addrspace(1)* %out, i64 %tid.ext
+ %a = load volatile half, half addrspace(1)* %gep0, align 2
+ %b = load volatile half, half addrspace(1)* %gep1, align 2
+ %c = load volatile half, half addrspace(1)* %gep2, align 2
+ %mul = fmul half %a, %b
+ %sub = fsub half %c, %mul
+ store half %sub, half addrspace(1)* %outgep, align 2
+ ret void
+}
+
+; GCN-LABEL: {{^}}mad_sub_fabs_f16:
+; GCN: {{buffer|flat}}_load_ushort [[REGA:v[0-9]+]]
+; GCN: {{buffer|flat}}_load_ushort [[REGB:v[0-9]+]]
+; GCN: {{buffer|flat}}_load_ushort [[REGC:v[0-9]+]]
+; VI: v_mad_f16 [[RESULT:v[0-9]+]], [[REGA]], [[REGB]], -|[[REGC]]|
+; VI: flat_store_short v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
+define void @mad_sub_fabs_f16(half addrspace(1)* noalias nocapture %out, half addrspace(1)* noalias nocapture readonly %ptr) #1 {
+ %tid = tail call i32 @llvm.amdgcn.workitem.id.x() #0
+ %tid.ext = sext i32 %tid to i64
+ %gep0 = getelementptr half, half addrspace(1)* %ptr, i64 %tid.ext
+ %add1 = add i64 %tid.ext, 1
+ %gep1 = getelementptr half, half addrspace(1)* %ptr, i64 %add1
+ %add2 = add i64 %tid.ext, 2
+ %gep2 = getelementptr half, half addrspace(1)* %ptr, i64 %add2
+ %outgep = getelementptr half, half addrspace(1)* %out, i64 %tid.ext
+ %a = load volatile half, half addrspace(1)* %gep0, align 2
+ %b = load volatile half, half addrspace(1)* %gep1, align 2
+ %c = load volatile half, half addrspace(1)* %gep2, align 2
+ %c.abs = call half @llvm.fabs.f16(half %c) #0
+ %mul = fmul half %a, %b
+ %sub = fsub half %mul, %c.abs
+ store half %sub, half addrspace(1)* %outgep, align 2
+ ret void
+}
+
+; GCN-LABEL: {{^}}mad_sub_fabs_inv_f16:
+; GCN: {{buffer|flat}}_load_ushort [[REGA:v[0-9]+]]
+; GCN: {{buffer|flat}}_load_ushort [[REGB:v[0-9]+]]
+; GCN: {{buffer|flat}}_load_ushort [[REGC:v[0-9]+]]
+
+; VI: v_mad_f16 [[RESULT:v[0-9]+]], -[[REGA]], [[REGB]], |[[REGC]]|
+; VI: flat_store_short v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
+define void @mad_sub_fabs_inv_f16(half addrspace(1)* noalias nocapture %out, half addrspace(1)* noalias nocapture readonly %ptr) #1 {
+ %tid = tail call i32 @llvm.amdgcn.workitem.id.x() #0
+ %tid.ext = sext i32 %tid to i64
+ %gep0 = getelementptr half, half addrspace(1)* %ptr, i64 %tid.ext
+ %add1 = add i64 %tid.ext, 1
+ %gep1 = getelementptr half, half addrspace(1)* %ptr, i64 %add1
+ %add2 = add i64 %tid.ext, 2
+ %gep2 = getelementptr half, half addrspace(1)* %ptr, i64 %add2
+ %outgep = getelementptr half, half addrspace(1)* %out, i64 %tid.ext
+ %a = load volatile half, half addrspace(1)* %gep0, align 2
+ %b = load volatile half, half addrspace(1)* %gep1, align 2
+ %c = load volatile half, half addrspace(1)* %gep2, align 2
+ %c.abs = call half @llvm.fabs.f16(half %c) #0
+ %mul = fmul half %a, %b
+ %sub = fsub half %c.abs, %mul
+ store half %sub, half addrspace(1)* %outgep, align 2
+ ret void
+}
+
+; GCN-LABEL: {{^}}neg_neg_mad_f16:
+; VI: v_mac_f16_e32 {{v[0-9]+}}, {{v[0-9]+}}, {{v[0-9]+}}
+define void @neg_neg_mad_f16(half addrspace(1)* noalias nocapture %out, half addrspace(1)* noalias nocapture readonly %ptr) #1 {
+ %tid = tail call i32 @llvm.amdgcn.workitem.id.x() #0
+ %tid.ext = sext i32 %tid to i64
+ %gep0 = getelementptr half, half addrspace(1)* %ptr, i64 %tid.ext
+ %add1 = add i64 %tid.ext, 1
+ %gep1 = getelementptr half, half addrspace(1)* %ptr, i64 %add1
+ %add2 = add i64 %tid.ext, 2
+ %gep2 = getelementptr half, half addrspace(1)* %ptr, i64 %add2
+ %outgep = getelementptr half, half addrspace(1)* %out, i64 %tid.ext
+ %a = load volatile half, half addrspace(1)* %gep0, align 2
+ %b = load volatile half, half addrspace(1)* %gep1, align 2
+ %c = load volatile half, half addrspace(1)* %gep2, align 2
+ %nega = fsub half -0.000000e+00, %a
+ %negb = fsub half -0.000000e+00, %b
+ %mul = fmul half %nega, %negb
+ %sub = fadd half %mul, %c
+ store half %sub, half addrspace(1)* %outgep, align 2
+ ret void
+}
+
+; GCN-LABEL: {{^}}mad_fabs_sub_f16:
+; GCN: {{buffer|flat}}_load_ushort [[REGA:v[0-9]+]]
+; GCN: {{buffer|flat}}_load_ushort [[REGB:v[0-9]+]]
+; GCN: {{buffer|flat}}_load_ushort [[REGC:v[0-9]+]]
+
+; VI: v_mad_f16 [[RESULT:v[0-9]+]], [[REGA]], |[[REGB]]|, -[[REGC]]
+; VI: flat_store_short v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
+define void @mad_fabs_sub_f16(half addrspace(1)* noalias nocapture %out, half addrspace(1)* noalias nocapture readonly %ptr) #1 {
+ %tid = tail call i32 @llvm.amdgcn.workitem.id.x() #0
+ %tid.ext = sext i32 %tid to i64
+ %gep0 = getelementptr half, half addrspace(1)* %ptr, i64 %tid.ext
+ %add1 = add i64 %tid.ext, 1
+ %gep1 = getelementptr half, half addrspace(1)* %ptr, i64 %add1
+ %add2 = add i64 %tid.ext, 2
+ %gep2 = getelementptr half, half addrspace(1)* %ptr, i64 %add2
+ %outgep = getelementptr half, half addrspace(1)* %out, i64 %tid.ext
+ %a = load volatile half, half addrspace(1)* %gep0, align 2
+ %b = load volatile half, half addrspace(1)* %gep1, align 2
+ %c = load volatile half, half addrspace(1)* %gep2, align 2
+ %b.abs = call half @llvm.fabs.f16(half %b) #0
+ %mul = fmul half %a, %b.abs
+ %sub = fsub half %mul, %c
+ store half %sub, half addrspace(1)* %outgep, align 2
+ ret void
+}
+
+; GCN-LABEL: {{^}}fsub_c_fadd_a_a_f16:
+; GCN: {{buffer|flat}}_load_ushort [[R1:v[0-9]+]],
+; GCN: {{buffer|flat}}_load_ushort [[R2:v[0-9]+]],
+; VI: v_mac_f16_e32 [[R2]], -2.0, [[R1]]
+
+; VI: flat_store_short v{{\[[0-9]+:[0-9]+\]}}, [[R2]]
+define void @fsub_c_fadd_a_a_f16(half addrspace(1)* %out, half addrspace(1)* %in) {
+ %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
+ %gep.0 = getelementptr half, half addrspace(1)* %out, i32 %tid
+ %gep.1 = getelementptr half, half addrspace(1)* %gep.0, i32 1
+ %gep.out = getelementptr half, half addrspace(1)* %out, i32 %tid
+
+ %r1 = load volatile half, half addrspace(1)* %gep.0
+ %r2 = load volatile half, half addrspace(1)* %gep.1
+
+ %add = fadd half %r1, %r1
+ %r3 = fsub half %r2, %add
+
+ store half %r3, half addrspace(1)* %gep.out
+ ret void
+}
+
+; GCN-LABEL: {{^}}fsub_fadd_a_a_c_f16:
+; GCN: {{buffer|flat}}_load_ushort [[R1:v[0-9]+]],
+; GCN: {{buffer|flat}}_load_ushort [[R2:v[0-9]+]],
+
+; VI: v_mad_f16 [[RESULT:v[0-9]+]], 2.0, [[R1]], -[[R2]]
+; VI: flat_store_short v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
+define void @fsub_fadd_a_a_c_f16(half addrspace(1)* %out, half addrspace(1)* %in) {
+ %tid = call i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
+ %gep.0 = getelementptr half, half addrspace(1)* %out, i32 %tid
+ %gep.1 = getelementptr half, half addrspace(1)* %gep.0, i32 1
+ %gep.out = getelementptr half, half addrspace(1)* %out, i32 %tid
+
+ %r1 = load volatile half, half addrspace(1)* %gep.0
+ %r2 = load volatile half, half addrspace(1)* %gep.1
+
+ %add = fadd half %r1, %r1
+ %r3 = fsub half %add, %r2
+
+ store half %r3, half addrspace(1)* %gep.out
+ ret void
+}
+
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }
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