R600: Move add/sub with overflow out of AMDILISelLowering
Add more tests for these.
llvm-svn: 211517
diff --git a/llvm/test/CodeGen/R600/saddo.ll b/llvm/test/CodeGen/R600/saddo.ll
new file mode 100644
index 0000000..c80480e
--- /dev/null
+++ b/llvm/test/CodeGen/R600/saddo.ll
@@ -0,0 +1,62 @@
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs< %s
+
+declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone
+declare { i64, i1 } @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone
+
+; FUNC-LABEL: @saddo_i64_zext
+define void @saddo_i64_zext(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
+ %sadd = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %a, i64 %b) nounwind
+ %val = extractvalue { i64, i1 } %sadd, 0
+ %carry = extractvalue { i64, i1 } %sadd, 1
+ %ext = zext i1 %carry to i64
+ %add2 = add i64 %val, %ext
+ store i64 %add2, i64 addrspace(1)* %out, align 8
+ ret void
+}
+
+; FUNC-LABEL: @s_saddo_i32
+define void @s_saddo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 %a, i32 %b) nounwind {
+ %sadd = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 %b) nounwind
+ %val = extractvalue { i32, i1 } %sadd, 0
+ %carry = extractvalue { i32, i1 } %sadd, 1
+ store i32 %val, i32 addrspace(1)* %out, align 4
+ store i1 %carry, i1 addrspace(1)* %carryout
+ ret void
+}
+
+; FUNC-LABEL: @v_saddo_i32
+define void @v_saddo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
+ %a = load i32 addrspace(1)* %aptr, align 4
+ %b = load i32 addrspace(1)* %bptr, align 4
+ %sadd = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %a, i32 %b) nounwind
+ %val = extractvalue { i32, i1 } %sadd, 0
+ %carry = extractvalue { i32, i1 } %sadd, 1
+ store i32 %val, i32 addrspace(1)* %out, align 4
+ store i1 %carry, i1 addrspace(1)* %carryout
+ ret void
+}
+
+; FUNC-LABEL: @s_saddo_i64
+define void @s_saddo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 %a, i64 %b) nounwind {
+ %sadd = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %a, i64 %b) nounwind
+ %val = extractvalue { i64, i1 } %sadd, 0
+ %carry = extractvalue { i64, i1 } %sadd, 1
+ store i64 %val, i64 addrspace(1)* %out, align 8
+ store i1 %carry, i1 addrspace(1)* %carryout
+ ret void
+}
+
+; FUNC-LABEL: @v_saddo_i64
+; SI: V_ADD_I32
+; SI: V_ADDC_U32
+define void @v_saddo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
+ %a = load i64 addrspace(1)* %aptr, align 4
+ %b = load i64 addrspace(1)* %bptr, align 4
+ %sadd = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %a, i64 %b) nounwind
+ %val = extractvalue { i64, i1 } %sadd, 0
+ %carry = extractvalue { i64, i1 } %sadd, 1
+ store i64 %val, i64 addrspace(1)* %out, align 8
+ store i1 %carry, i1 addrspace(1)* %carryout
+ ret void
+}