R600/SI: Allow using f32 rcp / rsq when denormals not handled.

[oota-llvm.git] / test / CodeGen / R600 / 32-bit-local-address-space.ll

diff --git a/test/CodeGen/R600/32-bit-local-address-space.ll b/test/CodeGen/R600/32-bit-local-address-space.ll
index d19a82eede576ba100f589566a2e87932d7a8148..7dec42637421d64b73f9af92dc68fdc6dcbb831b 100644 (file)
--- a/test/CodeGen/R600/32-bit-local-address-space.ll
+++ b/test/CodeGen/R600/32-bit-local-address-space.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=r600 -mcpu=verde | FileCheck %s
+; RUN: llc < %s -march=r600 -mcpu=verde -verify-machineinstrs | FileCheck %s
 
 ; On Southern Islands GPUs the local address space(3) uses 32-bit pointers and
 ; the global address space(1) uses 64-bit pointers.  These tests check to make sure
@@ -10,8 +10,8 @@
 ; instructions with B64, U64, and I64 take 64-bit operands.
 
 ; CHECK-LABEL: @local_address_load
-; CHECK: V_MOV_B32_e{{32|64}} [[PTR:VGPR[0-9]]]
-; CHECK: DS_READ_B32 [[PTR]]
+; CHECK: V_MOV_B32_e{{32|64}} [[PTR:v[0-9]]]
+; CHECK: DS_READ_B32 v{{[0-9]+}}, [[PTR]]
 define void @local_address_load(i32 addrspace(1)* %out, i32 addrspace(3)* %in) {
 entry:
   %0 = load i32 addrspace(3)* %in
@@ -20,8 +20,9 @@ entry:
 }
 
 ; CHECK-LABEL: @local_address_gep
-; CHECK: V_ADD_I32_e{{32|64}} [[PTR:VGPR[0-9]]]
-; CHECK: DS_READ_B32 [[PTR]]
+; CHECK: S_ADD_I32 [[SPTR:s[0-9]]]
+; CHECK: V_MOV_B32_e32 [[VPTR:v[0-9]+]], [[SPTR]]
+; CHECK: DS_READ_B32 [[VPTR]]
 define void @local_address_gep(i32 addrspace(1)* %out, i32 addrspace(3)* %in, i32 %offset) {
 entry:
   %0 = getelementptr i32 addrspace(3)* %in, i32 %offset
@@ -31,8 +32,8 @@ entry:
 }
 
 ; CHECK-LABEL: @local_address_gep_const_offset
-; CHECK: V_ADD_I32_e{{32|64}} [[PTR:VGPR[0-9]]]
-; CHECK: DS_READ_B32 [[PTR]]
+; CHECK: V_MOV_B32_e32 [[VPTR:v[0-9]+]], s{{[0-9]+}}
+; CHECK: DS_READ_B32 v{{[0-9]+}}, [[VPTR]], 0x4,
 define void @local_address_gep_const_offset(i32 addrspace(1)* %out, i32 addrspace(3)* %in) {
 entry:
   %0 = getelementptr i32 addrspace(3)* %in, i32 1
@@ -40,3 +41,98 @@ entry:
   store i32 %1, i32 addrspace(1)* %out
   ret void
 }
+
+; Offset too large, can't fold into 16-bit immediate offset.
+; CHECK-LABEL: @local_address_gep_large_const_offset
+; CHECK: S_ADD_I32 [[SPTR:s[0-9]]], s{{[0-9]+}}, 0x10004
+; CHECK: V_MOV_B32_e32 [[VPTR:v[0-9]+]], [[SPTR]]
+; CHECK: DS_READ_B32 [[VPTR]]
+define void @local_address_gep_large_const_offset(i32 addrspace(1)* %out, i32 addrspace(3)* %in) {
+entry:
+  %0 = getelementptr i32 addrspace(3)* %in, i32 16385
+  %1 = load i32 addrspace(3)* %0
+  store i32 %1, i32 addrspace(1)* %out
+  ret void
+}
+
+; CHECK-LABEL: @null_32bit_lds_ptr:
+; CHECK: V_CMP_NE_I32
+; CHECK-NOT: V_CMP_NE_I32
+; CHECK: V_CNDMASK_B32
+define void @null_32bit_lds_ptr(i32 addrspace(1)* %out, i32 addrspace(3)* %lds) nounwind {
+  %cmp = icmp ne i32 addrspace(3)* %lds, null
+  %x = select i1 %cmp, i32 123, i32 456
+  store i32 %x, i32 addrspace(1)* %out
+  ret void
+}
+
+; CHECK-LABEL: @mul_32bit_ptr:
+; CHECK: V_MUL_LO_I32
+; CHECK-NEXT: V_ADD_I32_e32
+; CHECK-NEXT: DS_READ_B32
+define void @mul_32bit_ptr(float addrspace(1)* %out, [3 x float] addrspace(3)* %lds, i32 %tid) {
+  %ptr = getelementptr [3 x float] addrspace(3)* %lds, i32 %tid, i32 0
+  %val = load float addrspace(3)* %ptr
+  store float %val, float addrspace(1)* %out
+  ret void
+}
+
+@g_lds = addrspace(3) global float zeroinitializer, align 4
+
+; CHECK-LABEL: @infer_ptr_alignment_global_offset:
+; CHECK: V_MOV_B32_e32 [[REG:v[0-9]+]], 0
+; CHECK: DS_READ_B32 v{{[0-9]+}}, [[REG]]
+define void @infer_ptr_alignment_global_offset(float addrspace(1)* %out, i32 %tid) {
+  %val = load float addrspace(3)* @g_lds
+  store float %val, float addrspace(1)* %out
+  ret void
+}
+
+
+@ptr = addrspace(3) global i32 addrspace(3)* null
+@dst = addrspace(3) global [16384 x i32] zeroinitializer
+
+; CHECK-LABEL: @global_ptr:
+; CHECK: DS_WRITE_B32
+define void @global_ptr() nounwind {
+  store i32 addrspace(3)* getelementptr ([16384 x i32] addrspace(3)* @dst, i32 0, i32 16), i32 addrspace(3)* addrspace(3)* @ptr
+  ret void
+}
+
+; CHECK-LABEL: @local_address_store
+; CHECK: DS_WRITE_B32
+define void @local_address_store(i32 addrspace(3)* %out, i32 %val) {
+  store i32 %val, i32 addrspace(3)* %out
+  ret void
+}
+
+; CHECK-LABEL: @local_address_gep_store
+; CHECK: S_ADD_I32 [[SADDR:s[0-9]+]],
+; CHECK: V_MOV_B32_e32 [[ADDR:v[0-9]+]], [[SADDR]]
+; CHECK: DS_WRITE_B32 [[ADDR]], v{{[0-9]+}},
+define void @local_address_gep_store(i32 addrspace(3)* %out, i32, i32 %val, i32 %offset) {
+  %gep = getelementptr i32 addrspace(3)* %out, i32 %offset
+  store i32 %val, i32 addrspace(3)* %gep, align 4
+  ret void
+}
+
+; CHECK-LABEL: @local_address_gep_const_offset_store
+; CHECK: V_MOV_B32_e32 [[VPTR:v[0-9]+]], s{{[0-9]+}}
+; CHECK: V_MOV_B32_e32 [[VAL:v[0-9]+]], s{{[0-9]+}}
+; CHECK: DS_WRITE_B32 [[VPTR]], [[VAL]], 0x4
+define void @local_address_gep_const_offset_store(i32 addrspace(3)* %out, i32 %val) {
+  %gep = getelementptr i32 addrspace(3)* %out, i32 1
+  store i32 %val, i32 addrspace(3)* %gep, align 4
+  ret void
+}
+
+; Offset too large, can't fold into 16-bit immediate offset.
+; CHECK-LABEL: @local_address_gep_large_const_offset_store
+; CHECK: S_ADD_I32 [[SPTR:s[0-9]]], s{{[0-9]+}}, 0x10004
+; CHECK: V_MOV_B32_e32 [[VPTR:v[0-9]+]], [[SPTR]]
+; CHECK: DS_WRITE_B32 [[VPTR]], v{{[0-9]+}}, 0
+define void @local_address_gep_large_const_offset_store(i32 addrspace(3)* %out, i32 %val) {
+  %gep = getelementptr i32 addrspace(3)* %out, i32 16385
+  store i32 %val, i32 addrspace(3)* %gep, align 4
+  ret void
+}