1 files changed, 170 insertions, 0 deletions
diff --git a/test/CodeGen/R600/trunc-cmp-constant.ll b/test/CodeGen/R600/trunc-cmp-constant.ll
new file mode 100644
index 0000000..a097ab0
--- /dev/null
+++ b/test/CodeGen/R600/trunc-cmp-constant.ll
@@ -0,0 +1,170 @@
+; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+
+; FUNC-LABEL {{^}}sextload_i1_to_i32_trunc_cmp_eq_0:
+; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
+; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
+; SI: v_cmp_eq_i32_e64 [[CMP:s\[[0-9]+:[0-9]+\]]], [[TMP]], 1{{$}}
+; SI: s_xor_b64 s{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, -1{{$}}
+; SI: v_cndmask_b32_e64
+; SI: buffer_store_byte
+define void @sextload_i1_to_i32_trunc_cmp_eq_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = sext i1 %load to i32
+  %cmp = icmp eq i32 %ext, 0
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+; FIXME: The negate should be inverting the compare.
+; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_eq_0:
+; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
+; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
+; SI: v_cmp_eq_i32_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], [[TMP]], 1{{$}}
+; SI-NEXT: s_xor_b64 [[NEG:s\[[0-9]+:[0-9]+\]]], [[CMP0]], -1
+; SI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1, [[NEG]]
+; SI-NEXT: buffer_store_byte [[RESULT]]
+define void @zextload_i1_to_i32_trunc_cmp_eq_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = zext i1 %load to i32
+  %cmp = icmp eq i32 %ext, 0
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_eq_1:
+; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 0{{$}}
+; SI: buffer_store_byte [[RESULT]]
+define void @sextload_i1_to_i32_trunc_cmp_eq_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = sext i1 %load to i32
+  %cmp = icmp eq i32 %ext, 1
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_eq_1:
+; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
+; SI: v_and_b32_e32 [[RESULT:v[0-9]+]], 1, [[LOAD]]
+; SI-NEXT: buffer_store_byte [[RESULT]]
+define void @zextload_i1_to_i32_trunc_cmp_eq_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = zext i1 %load to i32
+  %cmp = icmp eq i32 %ext, 1
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_eq_neg1:
+; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
+; SI: v_and_b32_e32 [[RESULT:v[0-9]+]], 1, [[LOAD]]
+; SI-NEXT: buffer_store_byte [[RESULT]]
+define void @sextload_i1_to_i32_trunc_cmp_eq_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = sext i1 %load to i32
+  %cmp = icmp eq i32 %ext, -1
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_eq_neg1:
+; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 0{{$}}
+; SI: buffer_store_byte [[RESULT]]
+define void @zextload_i1_to_i32_trunc_cmp_eq_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = zext i1 %load to i32
+  %cmp = icmp eq i32 %ext, -1
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+
+; FUNC-LABEL {{^}}sextload_i1_to_i32_trunc_cmp_ne_0:
+; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
+; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
+; SI-NEXT: buffer_store_byte [[RESULT]]
+define void @sextload_i1_to_i32_trunc_cmp_ne_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = sext i1 %load to i32
+  %cmp = icmp ne i32 %ext, 0
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_ne_0:
+; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
+; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
+; SI-NEXT: buffer_store_byte [[RESULT]]
+define void @zextload_i1_to_i32_trunc_cmp_ne_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = zext i1 %load to i32
+  %cmp = icmp ne i32 %ext, 0
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_ne_1:
+; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 1{{$}}
+; SI: buffer_store_byte [[RESULT]]
+define void @sextload_i1_to_i32_trunc_cmp_ne_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = sext i1 %load to i32
+  %cmp = icmp ne i32 %ext, 1
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_ne_1:
+; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
+; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
+; SI: v_cmp_eq_i32_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], [[TMP]], 1{{$}}
+; SI-NEXT: s_xor_b64 [[NEG:s\[[0-9]+:[0-9]+\]]], [[CMP0]], -1
+; SI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1, [[NEG]]
+; SI-NEXT: buffer_store_byte [[RESULT]]
+define void @zextload_i1_to_i32_trunc_cmp_ne_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = zext i1 %load to i32
+  %cmp = icmp ne i32 %ext, 1
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+; FIXME: This should be one compare.
+; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_ne_neg1:
+; XSI: buffer_load_ubyte [[LOAD:v[0-9]+]]
+; XSI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
+; XSI: v_cmp_eq_i32_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], [[TMP]], 0{{$}}
+; XSI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1, [[CMP0]]
+; XSI-NEXT: buffer_store_byte [[RESULT]]
+define void @sextload_i1_to_i32_trunc_cmp_ne_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = sext i1 %load to i32
+  %cmp = icmp ne i32 %ext, -1
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_ne_neg1:
+; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 1{{$}}
+; SI: buffer_store_byte [[RESULT]]
+define void @zextload_i1_to_i32_trunc_cmp_ne_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
+  %load = load i1 addrspace(1)* %in
+  %ext = zext i1 %load to i32
+  %cmp = icmp ne i32 %ext, -1
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}masked_load_i1_to_i32_trunc_cmp_ne_neg1:
+; SI: buffer_load_sbyte [[LOAD:v[0-9]+]]
+; SI: v_cmp_ne_i32_e64 {{s\[[0-9]+:[0-9]+\]}}, [[LOAD]], -1{{$}}
+; SI-NEXT: v_cndmask_b32_e64
+; SI-NEXT: buffer_store_byte
+define void @masked_load_i1_to_i32_trunc_cmp_ne_neg1(i1 addrspace(1)* %out, i8 addrspace(1)* %in) nounwind {
+  %load = load i8 addrspace(1)* %in
+  %masked = and i8 %load, 255
+  %ext = sext i8 %masked to i32
+  %cmp = icmp ne i32 %ext, -1
+  store i1 %cmp, i1 addrspace(1)* %out
+  ret void
+}