Add migration of red.relaxed.gpu.global.min.u32

Signed-off-by: chenwei.sun <[email protected]>

Author: tomflinda

clang/lib/DPCT/RulesAsm/AsmMigration.cpp

@@ -2775,6 +2775,11 @@ class SYCLGen : public SYCLGenBase {
            << ")";
       endstmt();
       return SYCLGenSuccess();
+    } else if (Inst->hasAttr(InstAttr::min)) {
+      OS() << " = " << MapNames::getClNamespace() + "min(" << a << ", " << b
+           << ")";
+      endstmt();
+      return SYCLGenSuccess();
     } else
       return SYCLGenError();
 

clang/test/dpct/asm/red.cu

@@ -57,4 +57,11 @@ __global__ void atomicMaxKernel(uint32_t* lock, uint32_t val) {
                  ::"l"(lock),"r"(val):"memory");
 }
 
+// CHECK: void atomicMinKernel(uint32_t* lock, uint32_t val) {
+// CHECK-NEXT:     *lock = sycl::min(*lock, val);
+// CHECK-NEXT: }
+__global__ void atomicMinKernel(uint32_t* lock, uint32_t val) {
+    asm volatile("red.relaxed.gpu.global.min.u32 [%0], %1;\n"
+                 ::"l"(lock),"r"(val):"memory");
+}
 // clang-format on