R600 -> AMDGPU rename

[oota-llvm.git] / test / CodeGen / AMDGPU / selectcc-opt.ll

diff --git a/test/CodeGen/AMDGPU/selectcc-opt.ll b/test/CodeGen/AMDGPU/selectcc-opt.ll
new file mode 100644 (file)
index 0000000..65be4a6
--- /dev/null
+++ b/test/CodeGen/AMDGPU/selectcc-opt.ll
@@ -0,0 +1,80 @@
+; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+
+
+; FUNC-LABEL: {{^}}test_a:
+; EG-NOT: CND
+; EG: SET{{[NEQGTL]+}}_DX10
+
+define void @test_a(i32 addrspace(1)* %out, float %in) {
+entry:
+  %0 = fcmp olt float %in, 0.000000e+00
+  %1 = select i1 %0, float 1.000000e+00, float 0.000000e+00
+  %2 = fsub float -0.000000e+00, %1
+  %3 = fptosi float %2 to i32
+  %4 = bitcast i32 %3 to float
+  %5 = bitcast float %4 to i32
+  %6 = icmp ne i32 %5, 0
+  br i1 %6, label %IF, label %ENDIF
+
+IF:
+  %7 = getelementptr i32, i32 addrspace(1)* %out, i32 1
+  store i32 0, i32 addrspace(1)* %7
+  br label %ENDIF
+
+ENDIF:
+  store i32 0, i32 addrspace(1)* %out
+  ret void
+}
+
+; Same as test_a, but the branch labels are swapped to produce the inverse cc
+; for the icmp instruction
+
+; EG-LABEL: {{^}}test_b:
+; EG: SET{{[GTEQN]+}}_DX10
+; EG-NEXT: PRED_
+; EG-NEXT: ALU clause starting
+define void @test_b(i32 addrspace(1)* %out, float %in) {
+entry:
+  %0 = fcmp olt float %in, 0.0
+  %1 = select i1 %0, float 1.000000e+00, float 0.000000e+00
+  %2 = fsub float -0.000000e+00, %1
+  %3 = fptosi float %2 to i32
+  %4 = bitcast i32 %3 to float
+  %5 = bitcast float %4 to i32
+  %6 = icmp ne i32 %5, 0
+  br i1 %6, label %ENDIF, label %IF
+
+IF:
+  %7 = getelementptr i32, i32 addrspace(1)* %out, i32 1
+  store i32 0, i32 addrspace(1)* %7
+  br label %ENDIF
+
+ENDIF:
+  store i32 0, i32 addrspace(1)* %out
+  ret void
+}
+
+; Test a CND*_INT instruction with float true/false values
+; EG-LABEL: {{^}}test_c:
+; EG: CND{{[GTE]+}}_INT
+define void @test_c(float addrspace(1)* %out, i32 %in) {
+entry:
+  %0 = icmp sgt i32 %in, 0
+  %1 = select i1 %0, float 2.0, float 3.0
+  store float %1, float addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}selectcc_bool:
+; SI: v_cmp_ne_i32
+; SI-NEXT: v_cndmask_b32_e64
+; SI-NOT: cmp
+; SI-NOT: cndmask
+define void @selectcc_bool(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
+  %icmp0 = icmp ne i32 %a, %b
+  %ext = select i1 %icmp0, i32 -1, i32 0
+  store i32 %ext, i32 addrspace(1)* %out
+  ret void
+}