R600/SI: add srl/sha patterns for SI

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178125 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index 95a31ae0aa7939523e2af16d5df05c6bde8a6e66..b6385509b4bae6ddda164b8eba3e002056d56fdf 100644 (file)
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -850,9 +850,13 @@ defm V_MAX_U32 : VOP2_32 <0x00000014, "V_MAX_U32", []>;
 
 } // End isCommutable = 1
 
-defm V_LSHR_B32 : VOP2_32 <0x00000015, "V_LSHR_B32", []>;
+defm V_LSHR_B32 : VOP2_32 <0x00000015, "V_LSHR_B32",
+  [(set VReg_32:$dst, (srl VSrc_32:$src0, (i32 VReg_32:$src1)))]
+>;
 defm V_LSHRREV_B32 : VOP2_32 <0x00000016, "V_LSHRREV_B32", []>;
-defm V_ASHR_I32 : VOP2_32 <0x00000017, "V_ASHR_I32", []>;
+defm V_ASHR_I32 : VOP2_32 <0x00000017, "V_ASHR_I32",
+  [(set VReg_32:$dst, (sra VSrc_32:$src0, (i32 VReg_32:$src1)))]
+>;
 defm V_ASHRREV_I32 : VOP2_32 <0x00000018, "V_ASHRREV_I32", []>;
 defm V_LSHL_B32 : VOP2_32 <0x00000019, "V_LSHL_B32",
   [(set VReg_32:$dst, (shl VSrc_32:$src0, (i32 VReg_32:$src1)))]

diff --git a/test/CodeGen/R600/lshl.ll b/test/CodeGen/R600/lshl.ll
new file mode 100644 (file)
index 0000000..328451c
--- /dev/null
+++ b/test/CodeGen/R600/lshl.ll
@@ -0,0 +1,14 @@
+;RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s
+
+;CHECK: V_LSHL_B32_e64 VGPR0, VGPR0, 1, 0, 0, 0, 0
+
+define void @test(i32 %p) {
+   %i = mul i32 %p, 2
+   %r = bitcast i32 %i to float
+   call void @llvm.SI.export(i32 15, i32 0, i32 1, i32 12, i32 0, float %r, float %r, float %r, float %r)
+   ret void
+}
+
+declare <4 x float> @llvm.SI.sample.(i32, <4 x i32>, <8 x i32>, <4 x i32>, i32) readnone
+
+declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)

diff --git a/test/CodeGen/R600/lshr.ll b/test/CodeGen/R600/lshr.ll
new file mode 100644 (file)
index 0000000..0d3f524
--- /dev/null
+++ b/test/CodeGen/R600/lshr.ll
@@ -0,0 +1,14 @@
+;RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s
+
+;CHECK: V_LSHR_B32_e64 VGPR0, VGPR0, 1, 0, 0, 0, 0
+
+define void @test(i32 %p) {
+   %i = udiv i32 %p, 2
+   %r = bitcast i32 %i to float
+   call void @llvm.SI.export(i32 15, i32 0, i32 1, i32 12, i32 0, float %r, float %r, float %r, float %r)
+   ret void
+}
+
+declare <4 x float> @llvm.SI.sample.(i32, <4 x i32>, <8 x i32>, <4 x i32>, i32) readnone
+
+declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)